Fix typo.

Etsuro Fujita

diff --git a/src/backend/access/gin/README b/src/backend/access/gin/README
index 3f0c3e2de863fc2ba81e4f05fe9bff3912178ea1..8a71d2889b286f983fde9ee65b6ddd8b71985391 100644 (file)
--- a/src/backend/access/gin/README
+++ b/src/backend/access/gin/README
@@ -181,7 +181,7 @@ algorithms.
   GinSetPostingTree macro.
 
 * If IndexTupleHasNulls(itup) is true, the null category byte can be
-  accessed/set with GinGetNullCategory(itup) / GinSetNullCategory(itup,c)
+  accessed/set with GinGetNullCategory(itup,gs) / GinSetNullCategory(itup,gs,c)
 
 * The posting list is not present and must not be accessed.