diff --git a/lib/mixins/element-mixin.html b/lib/mixins/element-mixin.html
index 22db22cf61..7d0c7995c9 100644
--- a/lib/mixins/element-mixin.html
+++ b/lib/mixins/element-mixin.html
@@ -326,7 +326,7 @@
      *
      * * `type`: {function} type to which an attribute matching the property
      * is deserialized. Note the property is camel-cased from a dash-cased
-     * attribute. For example, 'foo-bar' attribute is dersialized to a
+     * attribute. For example, 'foo-bar' attribute is deserialized to a
      * property named 'fooBar'.
      *
      * * `readOnly`: {boolean} creates a readOnly property and
@@ -705,7 +705,7 @@
        *
        * By default, attributes declared in `properties` metadata are
        * deserialized using their `type` information to properties of the
-       * same name.  "Dash-cased" attributes are deserialzed to "camelCase"
+       * same name.  "Dash-cased" attributes are deserialized to "camelCase"
        * properties.
        *
        * @param {string} name Name of attribute.