diff --git a/src/Utilities/AppDomainIsolatedTask.cs b/src/Utilities/AppDomainIsolatedTask.cs
index 7a0a4b716a6..2caf85f36ce 100644
--- a/src/Utilities/AppDomainIsolatedTask.cs
+++ b/src/Utilities/AppDomainIsolatedTask.cs
@@ -161,7 +161,7 @@ protected string HelpKeywordPrefix
         public abstract bool Execute();
 
         /// <summary>
-        /// Overridden to give tasks deriving from this class infinite lease time. Otherwise we end up with a limited
+        /// Overridden to give tasks deriving from this class infinite lease time. Otherwise we end up with a limited
         /// lease (5 minutes I think) and task instances can expire if they take long time processing.
         /// </summary>
         [SecurityCritical]
diff --git a/src/Utilities/ToolTask.cs b/src/Utilities/ToolTask.cs
index 85e14fc9af8..dcdc65faebe 100644
--- a/src/Utilities/ToolTask.cs
+++ b/src/Utilities/ToolTask.cs
@@ -159,7 +159,7 @@ protected int TaskProcessTerminationTimeout
         }
 
         /// <summary>
-        /// Used to signal when a tool has been cancelled.
+        /// Used to signal when a tool has been canceled.
         /// </summary>
         protected ManualResetEvent ToolCanceled
         {
@@ -1083,7 +1083,7 @@ private void KillToolProcessOnTimeout(Process proc, bool isBeingCancelled)
                 }
 
                 // wait until the process finishes exiting/getting killed. 
-                // We don't want to wait forever here because the task is already supposed to be dieing, we just want to give it long enough
+                // We don't want to wait forever here because the task is already supposed to be dieing, we just want to give it long enough
                 // to try and flush what it can and stop. If it cannot do that in a reasonable time frame then we will just ignore it.
                 int timeout = 5000;
                 string timeoutFromEnvironment = Environment.GetEnvironmentVariable("MSBUILDTOOLTASKCANCELPROCESSWAITTIMEOUT");
@@ -1534,7 +1534,7 @@ public override bool Execute()
                 }
 
                 // Log the environment. We do this up here,
-                // rather than later where the environment is set,
+                // rather than later where the environment is set,
                 // so that it appears before the command line is logged.
                 bool alreadyLoggedEnvironmentHeader = false;
 
diff --git a/src/XMakeBuildEngine/BackEnd/TaskExecutionHost/TaskExecutionHost.cs b/src/XMakeBuildEngine/BackEnd/TaskExecutionHost/TaskExecutionHost.cs
index 080949fbe26..d49d2bc2865 100644
--- a/src/XMakeBuildEngine/BackEnd/TaskExecutionHost/TaskExecutionHost.cs
+++ b/src/XMakeBuildEngine/BackEnd/TaskExecutionHost/TaskExecutionHost.cs
@@ -124,9 +124,9 @@ internal class TaskExecutionHost : ITaskExecutionHost, IDisposable
         private bool _continueOnError;
 
         /// <summary>
-        /// Set to true if the execution has been cancelled.
+        /// Set to true if the execution has been canceled.
         /// </summary>
-        private bool _cancelled;
+        private bool _canceled;
 
         /// <summary>
         /// Event which is signalled when a task is not executing.  Used for cancellation.
@@ -603,7 +603,7 @@ bool ITaskExecutionHost.Execute()
             // and Execute may not even have been called yet.
             _taskExecutionIdle.Reset();
 
-            if (_cancelled)
+            if (_canceled)
             {
                 _taskExecutionIdle.Set();
                 return false;
@@ -664,8 +664,8 @@ private void CleanupCancellationToken()
         /// </summary>
         private void Cancel()
         {
-            // This will prevent the current and any future tasks from running on this TaskExecutionHost, because we don't reset the cancelled flag.
-            _cancelled = true;
+            // This will prevent the current and any future tasks from running on this TaskExecutionHost, because we don't reset the canceled flag.
+            _canceled = true;
 
             ITask currentInstance = _taskInstance;
             ICancelableTask cancellableTask = null;
diff --git a/src/XMakeTasks/BootstrapperUtil/Product.cs b/src/XMakeTasks/BootstrapperUtil/Product.cs
index 5c1f28bf1ff..459c75e87a1 100644
--- a/src/XMakeTasks/BootstrapperUtil/Product.cs
+++ b/src/XMakeTasks/BootstrapperUtil/Product.cs
@@ -34,7 +34,7 @@ public class Product : IProduct
 
         public Product()
         {
-            Debug.Fail("Products are not to be created in this fashion.  Please use IBootstrapperBuilder.Products instead.");
+            Debug.Fail("Products are not to be created in this fashion. Please use IBootstrapperBuilder. Products instead.");
             throw new InvalidOperationException();
         }
 
@@ -67,7 +67,7 @@ internal CopyAllFilesType CopyAllPackageFiles
         }
 
         /// <summary>
-        /// The ProductBuilder representation of this Product
+        /// The ProductBuilder representation of this Product.
         /// </summary>
         public ProductBuilder ProductBuilder
         {
@@ -75,7 +75,7 @@ public ProductBuilder ProductBuilder
         }
 
         /// <summary>
-        /// A string specifying the unique identifier of this product
+        /// A string specifying the unique identifier of this product.
         /// </summary>
         public string ProductCode
         {
@@ -83,7 +83,7 @@ public string ProductCode
         }
 
         /// <summary>
-        /// A human-readable name for this product
+        /// A human-readable name for this product.
         /// </summary>
         public string Name
         {
@@ -119,7 +119,7 @@ public string Name
         }
 
         /// <summary>
-        /// All products which this product also installs
+        /// All products which this product also installs.
         /// </summary>
         public ProductCollection Includes
         {
diff --git a/src/dirs.proj b/src/dirs.proj
index 3bcb30ff1e4..7cf11da1b4c 100644
--- a/src/dirs.proj
+++ b/src/dirs.proj
@@ -18,7 +18,7 @@
   <Import Project="..\dir.traversal.targets" />
   
   <PropertyGroup>
-    <!-- Explicitly set the OutDir as it is used by the packaging targets -->
+    <!-- Explicitly set the OutDir as it is used by the packaging targets -->
     <OutDir>$(BaseOutputPathWithConfig)</OutDir>
   </PropertyGroup>