diff --git a/src/System.Management.Automation/engine/parser/ast.cs b/src/System.Management.Automation/engine/parser/ast.cs
index e9eea85d2c..f70c028117 100644
--- a/src/System.Management.Automation/engine/parser/ast.cs
+++ b/src/System.Management.Automation/engine/parser/ast.cs
@@ -790,7 +790,7 @@ namespace System.Management.Automation.Language
         /// Construct a ScriptBlockAst that uses explicitly named begin/process/end blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="attributes">The set of attributes for the script block.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="beginBlock">The ast for the begin block, may be null.</param>
@@ -827,7 +827,7 @@ namespace System.Management.Automation.Language
         /// This construction uses explicitly named begin/process/end/clean blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="attributes">The set of attributes for the script block.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="beginBlock">The ast for the begin block, may be null.</param>
@@ -904,7 +904,7 @@ namespace System.Management.Automation.Language
         /// Construct a ScriptBlockAst that uses explicitly named begin/process/end blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="beginBlock">The ast for the begin block, may be null.</param>
         /// <param name="processBlock">The ast for the process block, may be null.</param>
@@ -930,7 +930,7 @@ namespace System.Management.Automation.Language
         /// This construction uses explicitly named begin/process/end/clean blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="beginBlock">The ast for the begin block, may be null.</param>
         /// <param name="processBlock">The ast for the process block, may be null.</param>
@@ -1008,7 +1008,7 @@ namespace System.Management.Automation.Language
         /// Construct a ScriptBlockAst that does not use explicitly named blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="statements">
         /// The statements that go in the end block if <paramref name="isFilter"/> is false, or the
@@ -1067,7 +1067,7 @@ namespace System.Management.Automation.Language
         /// Construct a ScriptBlockAst that does not use explicitly named blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="statements">
         /// The statements that go in the end block if <paramref name="isFilter"/> is false, or the
@@ -1109,7 +1109,7 @@ namespace System.Management.Automation.Language
         /// Construct a ScriptBlockAst that does not use explicitly named blocks.
         /// </summary>
         /// <param name="extent">The extent of the script block.</param>
-        /// <param name="usingStatements">The list of using statments, may be null.</param>
+        /// <param name="usingStatements">The list of using statements, may be null.</param>
         /// <param name="attributes">The attributes for the script block.</param>
         /// <param name="paramBlock">The ast for the param block, may be null.</param>
         /// <param name="statements">