Update user_docs/en/userGuide.md

Co-authored-by: Cyrille Bougot <[email protected]>

user_docs/en/userGuide.md

@@ -3350,7 +3350,7 @@ Therefore, the following considerations should be kept in mind when installing t
 * If the developer has a website, spend some time evaluating whether it appears to be a serious source you can trust.
 * Read the description carefully. Does the add-on need questionable permissions? Does it track data? Does it share sensitive data with other sources that you don’t trust?
 * Check out the [community reviews #AddonStoreReviews] for the add-on. Are there any complaints about the add-on? Are there any reports about data being taken, or for anything that makes you feel unsafe?
-* The risk of vulnerabilities increases the more add-ons you installed. Therefore, be sure to remain aware of where you are downloading your add-ons from. Sources other than the official NVDA Add-on Store may be malicious, may include out of date versions, or may not perform any quality checks.
+* The risk of vulnerabilities increases the more add-ons you installed. Therefore, be sure to remain aware of where you are downloading your add-ons from. Sources other than NVDA's Add-on Store may be malicious, may include out of date versions, or may not perform any quality checks.
 
 ### Browsing add-ons {#AddonStoreBrowsing}