Revise release date and enhance security fix description

Updated release date for version 2.6.1 and improved wording for security fixes.

Author: katarzyna-koltun-mx

content/en/docs/releasenotes/private-platform/2.6.md

@@ -10,7 +10,7 @@ These release notes cover changes made to the [Private Mendix Platform](/private
 
 ## 2.6.1
 
-### Release date: May ??, 2025
+### Release date: May 4, 2025
 
 Version 2.6.1 of Private Mendix Platform introduces a number of new features, improvements, updates, and fixes.
 
@@ -64,7 +64,7 @@ We have improved the UI and UX for the following functionalities:
 
 #### Fixes
 
-* (General) We have increased the security entity access rules and user management privileges.
+* (General) We have increased the security around entity access rules and user management privileges.
 
 ## 2.6
 
@@ -146,4 +146,4 @@ Support for the functionalities will be added in future releases of Private Mend
 
 ##### Character Limit for Commit Messages
 
-All current releases of Private Mendix Platform have a limit of 200 characters for commit messages. This issue will be fixed in a future release.
+All current releases of Private Mendix Platform have a limit of 200 characters for commit messages. This issue will be fixed in a future release.