diff --git a/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md b/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
index 0317fb57bc5e81db27040454cfa4d470b6c961ba..6263d2c68cea9f4551365a96386e3fcdf79a4f9c 100644
--- a/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
+++ b/docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md
@@ -15,7 +15,7 @@ In order to display graphical user interface GUI of various software tools, you
 
 ## X Display Forwarding on Windows
 
-On Windows use the PuTTY client to enable X11 forwarding. In PuTTY menu, go to Connection-SSH-X11, mark the Enable X11 forwarding checkbox before logging in..
+On Windows use the PuTTY client to enable X11 forwarding. In PuTTY menu, go to Connection-SSH-X11, mark the Enable X11 forwarding checkbox before logging in.
 
 ![](../../../img/cygwinX11forwarding.png)