diff --git a/doc/salome/gui/GEOM/blocks_operations.htm b/doc/salome/gui/GEOM/blocks_operations.htm
index ece24133c..7498a7ae4 100755
--- a/doc/salome/gui/GEOM/blocks_operations.htm
+++ b/doc/salome/gui/GEOM/blocks_operations.htm
@@ -15,6 +15,7 @@ if (navigator.appName !="Netscape")