Update copresence-power-apps-studio.md

Author: mduelae

powerapps-docs/maker/canvas-apps/copresence-power-apps-studio.md

@@ -59,8 +59,8 @@ Coauthoring allows multiple makers to edit a canvas app at the same time. When m
 
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-1. The command bar shows that you are in **Editing** mode. When there's multiple editors, you'll see their avatar.
-1. The area that's being edited is highlighted and shows the makers avatar.  
+1. The command bar shows that you're in **Editing** mode. When there's multiple editors, you'll see their avatar.
+1. The area that's being edited is highlighted and shows the maker's avatar.  
 1. The left-hand navigation pane in Power Apps Studio displays the app's structure, indicating which part of the app is being edited by another maker. 
 
 > [!NOTE]