fix: better English comments

Author: atsareg

src/DIRAC/FrameworkSystem/Service/TokenManagerHandler.py

@@ -252,7 +252,7 @@ def export_getToken(
                                 result["Value"],
                             )
                             return result
-                # Not found any token associated with the found user ID
+                # Did not find any token associated with the found user ID
                 err.append(result.get("Message", f"No token found for {uid}"))
         # Collect all errors when trying to get a token, or if no user ID is registered
         return S_ERROR("; ".join(err or [f"No user ID found for {username}"]))

src/DIRAC/FrameworkSystem/private/authorization/AuthServer.py

@@ -439,8 +439,8 @@ def validateIdentityProvider(self, request, provider):
         # Find identity provider for group
         groupProvider = getIdPForGroup(request.group) if request.groups else None
 
-        # If requested access token for group that is not registered in any identity provider
-        # or the requested provider does not match the group return error
+        # If access token is requested for a group that is not registered in any identity provider
+        # or the requested provider does not match the group, return error
         if request.group and not groupProvider and "proxy" not in request.scope:
             raise Exception(f"The {request.group} group belongs to the VO that is not tied to any Identity Provider.")