Clarify intent of comment

mozilla · Nov 7, 2016 · 88b2644 · 88b2644
1 parent c307382
commit 88b2644
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/csp/middleware.py b/csp/middleware.py
@@ -27,7 +27,8 @@ class CSPMiddleware(MiddlewareMixin):
 
     """
     def _make_nonce(self, request, length=16):
-        # Return cached value if this has been executed already
+        # Ensure that any subsequent calls to request.csp_nonce return the
+        # same value
         if not getattr(request, '_csp_nonce', None):
             request._csp_nonce = get_random_string(length)
         return request._csp_nonce