diff --git a/docs/content/tools/unionbedg.rst b/docs/content/tools/unionbedg.rst
index 1681324e00313cefd85bd99d07a7edf97a7be36f..41ce91f2063b0f444e0f1b58c27caf00c16e66a5 100755
--- a/docs/content/tools/unionbedg.rst
+++ b/docs/content/tools/unionbedg.rst
@@ -1,4 +1,4 @@
-.. _unionbg:
+.. _unionbedg:
 
 ###############
 *unionbedg*