[ci skip] Typo

Author: smalyshev

README.GIT-RULES

@@ -82,7 +82,7 @@ The next few rules are more of a technical nature::
    1. All non-security bugfix changes should first go to the lowest bugfix
       branch (i.e. 7.1) and then get merged up to all other branches.
       All security fixes should go to the lowest security fixes branch (i.e 5.6).
-      If a change is not needed for ater branches (i.e. fixes for features
+      If a change is not needed for later branches (i.e. fixes for features
       which were dropped from later branches) an empty merge should be done.
 
    2. All news updates intended for public viewing, such as new features,