Changed title to reflect correct function name

The title isOnPremise is an invallid name for the function since the function name is isOnPremises.

Author: JackCerver

powerapps-docs/developer/model-driven-apps/clientapi/reference/Xrm-Utility/getGlobalContext/isOnPremises.md

@@ -1,5 +1,5 @@
 ---
-title: "isOnPremise (Client API reference) in model-driven apps| MicrosoftDocs"
+title: "isOnPremises (Client API reference) in model-driven apps| MicrosoftDocs"
 description: Includes description and supported parameters for the isOnPremises method.
 ms.author: jdaly
 author: adrianorth
@@ -43,4 +43,4 @@ globalContext.isOnPremises();
 
 
 
-[!INCLUDE[footer-include](../../../../../../includes/footer-banner.md)]
+[!INCLUDE[footer-include](../../../../../../includes/footer-banner.md)]