diff --git a/doc/lib-header.txt b/doc/lib-header.txt
index a9ba186..5d8cf28 100644
--- a/doc/lib-header.txt
+++ b/doc/lib-header.txt
@@ -1,5 +1,5 @@
 #!/bin/bash
 #remaster lib
-[ -d "<LIBDIR>"] || { echo "LIBDIR not exist"; exit 1; }
+[ -d "<LIBDIR>" ] || { echo "LIBDIR not exist"; exit 1; }
 
 #beginn func