Update user_docs/en/userGuide.md

Co-authored-by: Sean Budd <[email protected]>

user_docs/en/userGuide.md

@@ -3387,7 +3387,7 @@ It is very important to only install add-ons from sources you trust.
 The functionality of add-ons is unrestricted inside NVDA.
 This could include accessing your personal data or even the entire system.
 
-There are a number of ways of doing this:
+There are a number of ways of investigating an add-on:
 * Research the developer's reputation (e.g. how long have they been contributing, or their GitHub profile)
 * Look for user feedback in the [NVDA user group](https://nvda.groups.io/g/nvda) or [NVDA add-on group](https://nvda-addons.groups.io/g/nvda-addons)
 * Verify that the add-on is regularly updated