diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index f6df077..f4f1965 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3880,7 +3880,7 @@ build_guc_variables(void)
 	}
 
 	/*
-	 * Create table with 20% slack
+	 * Create table with 25% slack
 	 */
 	size_vars = num_vars + num_vars / 4;