typo: behaviour -> behavior

Author: nschonni

CONTRIBUTING.md

@@ -82,7 +82,7 @@ public class MyCmdlet : SPOWebCmdlet
 #endif
 ```
 
-If only parts of a cmdlet require different behaviour based upon the different version of the SDK, you are recommended to use the #ONPREMISES or other available preprocessor variable throughout your code to exclude or include certain code.
+If only parts of a cmdlet require different behavior based upon the different version of the SDK, you are recommended to use the #ONPREMISES or other available preprocessor variable throughout your code to exclude or include certain code.
 
 ### Cmdlets will have to use common verbs
 

Commands/Workflows/AddWorkflowDefinition.cs

@@ -20,7 +20,7 @@ public class AddWorkflowDefinition : PnPWebCmdlet
         [Parameter(Mandatory = true, HelpMessage = "The workflow definition to add.")]
         public WorkflowDefinition Definition;
 
-        [Parameter(Mandatory = false, HelpMessage = "Overrides the default behaviour, which is to publish workflow definitions.")]
+        [Parameter(Mandatory = false, HelpMessage = "Overrides the default behavior, which is to publish workflow definitions.")]
         public SwitchParameter DoNotPublish;
         protected override void ExecuteCmdlet()
         {

ModuleFilesGenerator/DiffMatchPatch.cs

@@ -182,7 +182,7 @@ public override string ToString() {
 
   /**
    * Class containing the diff, match and patch methods.
-   * Also Contains the behaviour settings.
+   * Also Contains the behavior settings.
    */
   public class diff_match_patch {
     // Defaults.

Samples/Tenant.Migration/Modules/2017/March/SharePointPnPPowerShell2013/Modules/SharePointPnPPowerShell2013/SharePointPnP.PowerShell.2013.Commands.dll-help.xml

@@ -3323,7 +3323,7 @@ Online site collection fails if a deleted site with the same URL exists in the R
         <command:parameter required="false" position="named">
           <maml:name>DoNotPublish</maml:name>
           <maml:description>
-            <maml:para>Overrides the default behaviour, which is to publish workflow definitions.</maml:para>
+            <maml:para>Overrides the default behavior, which is to publish workflow definitions.</maml:para>
           </maml:description>
           <command:parameterValue required="false">SwitchParameter</command:parameterValue>
         </command:parameter>
@@ -3351,7 +3351,7 @@ Online site collection fails if a deleted site with the same URL exists in the R
       <command:parameter required="false" position="named">
         <maml:name>DoNotPublish</maml:name>
         <maml:description>
-          <maml:para>Overrides the default behaviour, which is to publish workflow definitions.</maml:para>
+          <maml:para>Overrides the default behavior, which is to publish workflow definitions.</maml:para>
         </maml:description>
         <command:parameterValue required="false">SwitchParameter</command:parameterValue>
         <dev:type>

Samples/Tenant.Migration/Modules/2017/March/SharePointPnPPowerShellOnline/Modules/SharePointPnPPowerShellOnline/SharePointPnP.PowerShell.Online.Commands.dll-help.xml

@@ -5991,7 +5991,7 @@ Hyperlink or Picture: -Values @{"Hyperlink" = "https://github.com/OfficeDev/, Of
         <command:parameter required="false" position="named">
           <maml:name>DoNotPublish</maml:name>
           <maml:description>
-            <maml:para>Overrides the default behaviour, which is to publish workflow definitions.</maml:para>
+            <maml:para>Overrides the default behavior, which is to publish workflow definitions.</maml:para>
           </maml:description>
           <command:parameterValue required="false">SwitchParameter</command:parameterValue>
         </command:parameter>
@@ -6019,7 +6019,7 @@ Hyperlink or Picture: -Values @{"Hyperlink" = "https://github.com/OfficeDev/, Of
       <command:parameter required="false" position="named">
         <maml:name>DoNotPublish</maml:name>
         <maml:description>
-          <maml:para>Overrides the default behaviour, which is to publish workflow definitions.</maml:para>
+          <maml:para>Overrides the default behavior, which is to publish workflow definitions.</maml:para>
         </maml:description>
         <command:parameterValue required="false">SwitchParameter</command:parameterValue>
         <dev:type>