chore: update changes/ce/fix-10172.en.md

Co-authored-by: Andrew Mayorov <encube.ul@gmail.com>

changes/ce/fix-10172.en.md

@@ -5,5 +5,5 @@ Fix the incorrect default ACL rule, which was:
 
 However, it should use `{re, "^dashboard$"}` to perform a regular expression match:
 ```
-{allow, {username, {re,"^dashboard$"}}, subscribe ,["$SYS/#"]}.
+{allow, {username, {re,"^dashboard$"}}, subscribe, ["$SYS/#"]}.
 ```