Fixing spelling error of Extension

Author: Staffan Gustafsson

PSEverything/PSEverything.dll-Help.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <helpItems xmlns="http://msh" schema="maml">
 	<!-- Edited with: SAPIEN PowerShell HelpWriter 2015 v1.0.10-->
 	<!-- Generated by: SAPIEN PowerShell HelpWriter 2015 v1.0.10-->
@@ -179,7 +179,7 @@ Attribute Constants:
 					<command:parameterValue required="false" variableLength="false">String[]</command:parameterValue>
 				</command:parameter>
 				<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="named">
-					<maml:name>Extention</maml:name>
+					<maml:name>Extension</maml:name>
 					<maml:description>
 						<maml:para>Search for files with extensions matching the specified values</maml:para>
 					</maml:description>
@@ -513,7 +513,7 @@ Attribute Constants:
 				<dev:defaultValue/>
 			</command:parameter>
 			<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="named">
-				<maml:name>Extention</maml:name>
+				<maml:name>Extension</maml:name>
 				<maml:description>
 					<maml:para>Search for files with extensions matching the specified values</maml:para>
 				</maml:description>

PSEverything/SearchEverythingCommand.cs

@@ -19,7 +19,7 @@ public class SearchEverythingCommand : PSCmdlet
         public string[] Exclude { get; set; }
 
         [Parameter(ParameterSetName = "default")]        
-        public string[] Extention { get; set; }
+        public string[] Extension { get; set; }
 
         [Parameter(ParameterSetName = "default")]        
         public string[] PathInclude { get; set; }
@@ -125,7 +125,7 @@ void AddFolderFilter(StringBuilder searchBuilder)
 
         void AddExtensionFilter(StringBuilder searchBuilder)
         {
-            AddListFilter(searchBuilder, "ext:", Extention, null, ';');
+            AddListFilter(searchBuilder, "ext:", Extension, null, ';');
         }
 
         void AddParentCountFilter(StringBuilder searchBuilder)