diff --git a/src/rules/alt-require.js b/src/rules/alt-require.js
index e0f6dd628..9804791c9 100644
--- a/src/rules/alt-require.js
+++ b/src/rules/alt-require.js
@@ -5,7 +5,7 @@
  */
 HTMLHint.addRule({
     id: 'alt-require',
-    description: 'Alt of img must be present and alt of area[href] and input[type=image] must be set value.',
+    description: 'The alt attribute of an <img> element must be present and alt attribute of area[href] and input[type=image] must have a value.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -14,13 +14,13 @@ HTMLHint.addRule({
                 col = event.col + tagName.length + 1,
                 selector;
             if(tagName === 'img' && !('alt' in mapAttrs)){
-                reporter.warn('Alt of img tag must be present.', event.line, col, self, event.raw);
+                reporter.warn('An alt attribute must be present on <img> elements.', event.line, col, self, event.raw);
             }
             else if((tagName === 'area' && 'href' in mapAttrs) ||
                 (tagName === 'input' && mapAttrs['type'] === 'image')){
                 if(!('alt' in mapAttrs) || mapAttrs['alt'] === ''){
                     selector = tagName === 'area' ? 'area[href]' : 'input[type=image]';
-                    reporter.warn('Alt of ' + selector + ' must be set value.', event.line, col, self, event.raw);
+                    reporter.warn('The alt attribute of ' + selector + ' must have a value.', event.line, col, self, event.raw);
                 }
             }
         });
diff --git a/src/rules/attr-lowercase.js b/src/rules/attr-lowercase.js
index d0d07253d..30a3ecb28 100644
--- a/src/rules/attr-lowercase.js
+++ b/src/rules/attr-lowercase.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'attr-lowercase',
-    description: 'Attribute name must be lowercase.',
+    description: 'All attribute names must be in lowercase.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -15,7 +15,7 @@ HTMLHint.addRule({
                 attr = attrs[i];
                 var attrName = attr.name;
                 if(attrName !== attrName.toLowerCase()){
-                    reporter.error('Attribute name [ '+attrName+' ] must be lower case.', event.line, col + attr.index, self, attr.raw);
+                    reporter.error('The attribute name of [ '+attrName+' ] must be in lowercase.', event.line, col + attr.index, self, attr.raw);
                 }
             }
         });
diff --git a/src/rules/attr-no-duplication.js b/src/rules/attr-no-duplication.js
index adbff8da6..60e1b7cf3 100644
--- a/src/rules/attr-no-duplication.js
+++ b/src/rules/attr-no-duplication.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'attr-no-duplication',
-    description: 'Attribute name can not been duplication.',
+    description: 'Elements cannot have duplicate attributes.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -18,7 +18,7 @@ HTMLHint.addRule({
                 attr = attrs[i];
                 attrName = attr.name;
                 if(mapAttrName[attrName] === true){
-                    reporter.error('The name of attribute [ '+attr.name+' ] been duplication.', event.line, col + attr.index, self, attr.raw);
+                    reporter.error('Duplicate of attribute name [ '+attr.name+' ] was found.', event.line, col + attr.index, self, attr.raw);
                 }
                 mapAttrName[attrName] = true;
             }
diff --git a/src/rules/attr-unsafe-chars.js b/src/rules/attr-unsafe-chars.js
index cb7ede68f..5cb7d68ff 100644
--- a/src/rules/attr-unsafe-chars.js
+++ b/src/rules/attr-unsafe-chars.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'attr-unsafe-chars',
-    description: 'Attribute value cant not use unsafe chars.',
+    description: 'Attribute values cannot contain unsafe chars.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -15,7 +15,7 @@ HTMLHint.addRule({
             for(var i=0, l=attrs.length;i<l;i++){
                 attr = attrs[i];
                 if(regUnsafe.test(attr.value) === true){
-                    reporter.warn('The value of attribute [ '+attr.name+' ] cant not use unsafe chars.', event.line, col + attr.index, self, attr.raw);
+                    reporter.warn('The value of attribute [ '+attr.name+' ] cannot contain an unsafe char.', event.line, col + attr.index, self, attr.raw);
                 }
             }
         });
diff --git a/src/rules/attr-value-double-quotes.js b/src/rules/attr-value-double-quotes.js
index eb3ff9a60..971fd9524 100644
--- a/src/rules/attr-value-double-quotes.js
+++ b/src/rules/attr-value-double-quotes.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'attr-value-double-quotes',
-    description: 'Attribute value must closed by double quotes.',
+    description: 'Attribute values must be in double quotes.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -15,7 +15,7 @@ HTMLHint.addRule({
                 attr = attrs[i];
                 if((attr.value !== '' && attr.quote !== '"') ||
                     (attr.value === '' && attr.quote === "'")){
-                    reporter.error('The value of attribute [ '+attr.name+' ] must closed by double quotes.', event.line, col + attr.index, self, attr.raw);
+                    reporter.error('The value of attribute [ '+attr.name+' ] must be in double quotes.', event.line, col + attr.index, self, attr.raw);
                 }
             }
         });
diff --git a/src/rules/attr-value-not-empty.js b/src/rules/attr-value-not-empty.js
index 16d68fb83..5fecf48ac 100644
--- a/src/rules/attr-value-not-empty.js
+++ b/src/rules/attr-value-not-empty.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'attr-value-not-empty',
-    description: 'Attribute must set value.',
+    description: 'All attributes must have values.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -14,7 +14,7 @@ HTMLHint.addRule({
             for(var i=0, l=attrs.length;i<l;i++){
                 attr = attrs[i];
                 if(attr.quote === '' && attr.value === ''){
-                    reporter.warn('The attribute [ '+attr.name+' ] must set value.', event.line, col + attr.index, self, attr.raw);
+                    reporter.warn('The attribute [ '+attr.name+' ] must have a value.', event.line, col + attr.index, self, attr.raw);
                 }
             }
         });
diff --git a/src/rules/doctype-first.js b/src/rules/doctype-first.js
index 20c85ba01..566b970c1 100644
--- a/src/rules/doctype-first.js
+++ b/src/rules/doctype-first.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'doctype-first',
-    description: 'Doctype must be first.',
+    description: 'Doctype must be declared first.',
     init: function(parser, reporter){
         var self = this;
         var allEvent = function(event){
@@ -12,7 +12,7 @@ HTMLHint.addRule({
                 return;
             }
             if((event.type !== 'comment' && event.long === false) || /^DOCTYPE\s+/i.test(event.content) === false){
-                reporter.error('Doctype must be first.', event.line, event.col, self, event.raw);
+                reporter.error('Doctype must be declared first.', event.line, event.col, self, event.raw);
             }
             parser.removeListener('all', allEvent);
         };
diff --git a/src/rules/doctype-html5.js b/src/rules/doctype-html5.js
index f7b5a8b5d..6586c7d6e 100644
--- a/src/rules/doctype-html5.js
+++ b/src/rules/doctype-html5.js
@@ -4,12 +4,12 @@
  */
 HTMLHint.addRule({
     id: 'doctype-html5',
-    description: 'Doctype must be html5.',
+    description: 'Invalid doctype. Use: "<!DOCTYPE html>"',
     init: function(parser, reporter){
         var self = this;
         function onComment(event){
             if(event.long === false && event.content.toLowerCase() !== 'doctype html'){
-                reporter.warn('Doctype must be html5.', event.line, event.col, self, event.raw);
+                reporter.warn('Invalid doctype. Use: "<!DOCTYPE html>"', event.line, event.col, self, event.raw);
             }
         }
         function onTagStart(){
diff --git a/src/rules/head-script-disabled.js b/src/rules/head-script-disabled.js
index a8cbe6282..f93d9e726 100644
--- a/src/rules/head-script-disabled.js
+++ b/src/rules/head-script-disabled.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'head-script-disabled',
-    description: 'The script tag can not be used in head.',
+    description: 'The <script> tag cannot be used in a <head> tag.',
     init: function(parser, reporter){
         var self = this;
         var reScript = /^(text\/javascript|application\/javascript)$/i;
@@ -13,7 +13,7 @@ HTMLHint.addRule({
             var type = mapAttrs.type;
             if(event.tagName.toLowerCase() === 'script' &&
                 (!type || reScript.test(type) === true)){
-                reporter.warn('The script tag can not be used in head.', event.line, event.col, self, event.raw);
+                reporter.warn('The <script> tag cannot be used in a <head> tag.', event.line, event.col, self, event.raw);
             }
         }
         function onTagEnd(event){
diff --git a/src/rules/href-abs-or-rel.js b/src/rules/href-abs-or-rel.js
index f96361f1c..05ffcc3e1 100644
--- a/src/rules/href-abs-or-rel.js
+++ b/src/rules/href-abs-or-rel.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'href-abs-or-rel',
-    description: 'Href must be absolute or relative.',
+    description: 'An href attribute must be either absolute or relative.',
     init: function(parser, reporter, options){
         var self = this;
 
@@ -20,7 +20,7 @@ HTMLHint.addRule({
                 if(attr.name === 'href'){
                     if((hrefMode === 'absolute' && /^\w+?:/.test(attr.value) === false) ||
                         (hrefMode === 'relative' && /^https?:\/\//.test(attr.value) === true)){
-                        reporter.warn('The value of href [ '+attr.value+' ] must be '+hrefMode+'.', event.line, col + attr.index, self, attr.raw);
+                        reporter.warn('The value of the href attribute [ '+attr.value+' ] must be '+hrefMode+'.', event.line, col + attr.index, self, attr.raw);
                     }
                     break;
                 }
diff --git a/src/rules/id-class-ad-disabled.js b/src/rules/id-class-ad-disabled.js
index 91a46a900..d934b426a 100644
--- a/src/rules/id-class-ad-disabled.js
+++ b/src/rules/id-class-ad-disabled.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'id-class-ad-disabled',
-    description: 'Id and class can not use ad keyword, it will blocked by adblock software.',
+    description: 'The id and class attributes cannot use the ad keyword, it will be blocked by adblock software.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -18,7 +18,7 @@ HTMLHint.addRule({
                 attrName = attr.name;
                 if(/^(id|class)$/i.test(attrName)){
                     if(/(^|[-\_])ad([-\_]|$)/i.test(attr.value)){
-                        reporter.warn('The value of '+attrName+' can not use ad keyword.', event.line, col + attr.index, self, attr.raw);
+                        reporter.warn('The value of attribute '+attrName+' cannot use the ad keyword.', event.line, col + attr.index, self, attr.raw);
                     }
                 }
             }
diff --git a/src/rules/id-class-value.js b/src/rules/id-class-value.js
index 9a2ab0061..d050e6141 100644
--- a/src/rules/id-class-value.js
+++ b/src/rules/id-class-value.js
@@ -4,21 +4,21 @@
  */
 HTMLHint.addRule({
     id: 'id-class-value',
-    description: 'Id and class value must meet some rules.',
+    description: 'The id and class attribute values must meet the specified rules.',
     init: function(parser, reporter, options){
         var self = this;
         var arrRules = {
             'underline': {
                 'regId': /^[a-z\d]+(_[a-z\d]+)*$/,
-                'message': 'Id and class value must lower case and split by underline.'
+                'message': 'The id and class attribute values must be in lowercase and split by an underscore.'
             },
             'dash': {
                 'regId': /^[a-z\d]+(-[a-z\d]+)*$/,
-                'message': 'Id and class value must lower case and split by dash.'
+                'message': 'The id and class attribute values must be in lowercase and split by a dash.'
             },
             'hump': {
                 'regId': /^[a-z][a-zA-Z\d]*([A-Z][a-zA-Z\d]*)*$/,
-                'message': 'Id and class value must meet hump style.'
+                'message': 'The id and class attribute values must meet the camelCase style.'
             }
         }, rule;
         if(typeof options === 'string'){
diff --git a/src/rules/id-unique.js b/src/rules/id-unique.js
index 476121af8..6e671347e 100644
--- a/src/rules/id-unique.js
+++ b/src/rules/id-unique.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'id-unique',
-    description: 'Id must be unique.',
+    description: 'The value of id attributes must be unique.',
     init: function(parser, reporter){
         var self = this;
         var mapIdCount = {};
@@ -25,7 +25,7 @@ HTMLHint.addRule({
                             mapIdCount[id] ++;
                         }
                         if(mapIdCount[id] > 1){
-                            reporter.error('Id redefinition of [ '+id+' ].', event.line, col + attr.index, self, attr.raw);
+                            reporter.error('The id value [ '+id+' ] must be unique.', event.line, col + attr.index, self, attr.raw);
                         }
                     }
                     break;
diff --git a/src/rules/space-tab-mixed-disabled.js b/src/rules/space-tab-mixed-disabled.js
index 0c1af39da..9f941a1dd 100644
--- a/src/rules/space-tab-mixed-disabled.js
+++ b/src/rules/space-tab-mixed-disabled.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'space-tab-mixed-disabled',
-    description: 'Spaces and tabs can not mixed in front of line.',
+    description: 'Do not mix tabs and spaces for indentation.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('text', function(event){
@@ -13,7 +13,7 @@ HTMLHint.addRule({
             var match;
             while((match = reMixed.exec(raw))){
                 var fixedPos = parser.fixPos(event, match.index + match[1].length);
-                reporter.warn('Mixed spaces and tabs in front of line.', fixedPos.line, 1, self, event.raw);
+                reporter.warn('Do not mix tabs and spaces for indentation.', fixedPos.line, 1, self, event.raw);
             }
         });
     }
diff --git a/src/rules/src-not-empty.js b/src/rules/src-not-empty.js
index 978e632a4..d864aa455 100644
--- a/src/rules/src-not-empty.js
+++ b/src/rules/src-not-empty.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'src-not-empty',
-    description: 'Src of img(script,link) must set value.',
+    description: 'The src attribute of an img(script,link) must have a value.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
@@ -18,7 +18,7 @@ HTMLHint.addRule({
                     (tagName === 'link' && attr.name === 'href') ||
                     (tagName === 'object' && attr.name === 'data')) &&
                     attr.value === ''){
-                    reporter.error('[ '+attr.name + '] of [ '+tagName+' ] must set value.', event.line, col + attr.index, self, attr.raw);
+                    reporter.error('The attribute [ '+attr.name + ' ] of the tag [ '+tagName+' ] must have a value.', event.line, col + attr.index, self, attr.raw);
                 }
             }
         });
diff --git a/src/rules/style-disabled.js b/src/rules/style-disabled.js
index f4f9d7c31..f04d2c88f 100644
--- a/src/rules/style-disabled.js
+++ b/src/rules/style-disabled.js
@@ -4,12 +4,12 @@
  */
 HTMLHint.addRule({
     id: 'style-disabled',
-    description: 'Style tag can not be used.',
+    description: '<style> tags cannot be used.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart', function(event){
             if(event.tagName.toLowerCase() === 'style'){
-                reporter.warn('Style tag can not be used.', event.line, event.col, self, event.raw);
+                reporter.warn('The <style> tag cannot be used.', event.line, event.col, self, event.raw);
             }
         });
     }
diff --git a/src/rules/tag-pair.js b/src/rules/tag-pair.js
index 2cafe09a6..8931229eb 100644
--- a/src/rules/tag-pair.js
+++ b/src/rules/tag-pair.js
@@ -29,12 +29,12 @@ HTMLHint.addRule({
                     arrTags.push('</'+stack[i]+'>');
                 }
                 if(arrTags.length > 0){
-                    reporter.error('Tag must be paired, Missing: [ '+ arrTags.join('') + ' ]', event.line, event.col, self, event.raw);
+                    reporter.error('Tag must be paired, missing: [ '+ arrTags.join('') + ' ]', event.line, event.col, self, event.raw);
                 }
                 stack.length=pos;
             }
             else{
-                reporter.error('Tag must be paired, No start tag: [ ' + event.raw + ' ]', event.line, event.col, self, event.raw);
+                reporter.error('Tag must be paired, no start tag: [ ' + event.raw + ' ]', event.line, event.col, self, event.raw);
             }
         });
         parser.addListener('end', function(event){
@@ -43,7 +43,7 @@ HTMLHint.addRule({
                 arrTags.push('</'+stack[i]+'>');
             }
             if(arrTags.length > 0){
-                reporter.error('Tag must be paired, Missing: [ '+ arrTags.join('') + ' ]', event.line, event.col, self, '');
+                reporter.error('Tag must be paired, missing: [ '+ arrTags.join('') + ' ]', event.line, event.col, self, '');
             }
         });
     }
diff --git a/src/rules/tag-self-close.js b/src/rules/tag-self-close.js
index 9c39f2c28..61bce5ef2 100644
--- a/src/rules/tag-self-close.js
+++ b/src/rules/tag-self-close.js
@@ -4,7 +4,7 @@
  */
 HTMLHint.addRule({
     id: 'tag-self-close',
-    description: 'The empty tag must closed by self.',
+    description: 'Empty tags must be self closed.',
     init: function(parser, reporter){
         var self = this;
         var mapEmptyTags = parser.makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed");//HTML 4.01
@@ -12,7 +12,7 @@ HTMLHint.addRule({
             var tagName = event.tagName.toLowerCase();
             if(mapEmptyTags[tagName] !== undefined){
                 if(!event.close){
-                    reporter.warn('The empty tag : [ '+tagName+' ] must closed by self.', event.line, event.col, self, event.raw);
+                    reporter.warn('The empty tag : [ '+tagName+' ] must be self closed.', event.line, event.col, self, event.raw);
                 }
             }
         });
diff --git a/src/rules/tagname-lowercase.js b/src/rules/tagname-lowercase.js
index 5bace8535..39bf157e7 100644
--- a/src/rules/tagname-lowercase.js
+++ b/src/rules/tagname-lowercase.js
@@ -4,13 +4,13 @@
  */
 HTMLHint.addRule({
     id: 'tagname-lowercase',
-    description: 'Tagname must be lowercase.',
+    description: 'All html element names must be in lowercase.',
     init: function(parser, reporter){
         var self = this;
         parser.addListener('tagstart,tagend', function(event){
             var tagName = event.tagName;
             if(tagName !== tagName.toLowerCase()){
-                reporter.error('Tagname [ '+tagName+' ] must be lower case.', event.line, event.col, self, event.raw);
+                reporter.error('The html element name of [ '+tagName+' ] must be in lowercase.', event.line, event.col, self, event.raw);
             }
         });
     }