Update ExcalidrawScriptsEngine.md

docs/ExcalidrawScriptsEngine.md

@@ -23,7 +23,9 @@ An Excalidraw script will automatically receive two objects:
 - `utils`: There is currently only a single function published on `utils`
   - `inputPrompt: (header: string, placeholder?: string, value?: string)`. You need to await the result of inputPrompt. See the example below for details.
 
-## Example Excalidraw Automate script
+---------
+
+## Example Excalidraw Automate Scripts
 
 ### Add box around selected elements
 
@@ -156,4 +158,4 @@ elements.forEach((el)=>{
   ea.addToGroup([el.id,ellipseId]);
 });
 ea.addElementsToView();
-```
+```