Fix comment in syn-codepoint-escape-bad-04.rq.

Author: kasei

sparql11/data-sparql11/syntax-query/syn-codepoint-escape-bad-04.rq

@@ -4,4 +4,4 @@ SELECT * WHERE {
 
 # the first escape here produces '\' REVERSE SOLIDUS (U+5C)
 # its unescaping must not lead to a subsequent unescaping of "\U00000031" escape.
-# This should cause a syntax error as "?s ?p \u0031" and NOT a valid query as "?s ?p 1"
+# This should cause a syntax error as "?s ?p \U00000031" and NOT a valid query as "?s ?p 1"