Use hash-algorithm production name (not hash-algo)

Fixes #418

index.src.html

@@ -3913,7 +3913,7 @@ <h5 algorithm id="script-pre-request">
               1.  If |directive|'s <a for="directive">value</a> does not
                   contain a <a>source expression</a> whose
                   <a grammar>hash-algorithm</a> is a <a>case-sensitive</a> match
-                  for |source|'s `hash-algo` component, and whose
+                  for |source|'s <a grammar>hash-algorithm</a>, and whose
                   <a grammar>base64-value</a> is a <a>case-sensitive</a> match
                   for |source|'s `base64-value`, then set |bypass due to
                   integrity match| to `false`.