Update runtime files.
diff --git a/runtime/doc/gui.txt b/runtime/doc/gui.txt
index decc7bf..38adf77 100644
--- a/runtime/doc/gui.txt
+++ b/runtime/doc/gui.txt
@@ -155,8 +155,8 @@
window Vim is running in with these commands: >
:!xwininfo -id $WINDOWID
:!xprop -id $WINDOWID
- :execute '!xwininfo -id ' . v:windowid
- :execute '!xprop -id ' . v:windowid
+ :execute '!xwininfo -id ' .. v:windowid
+ :execute '!xprop -id ' .. v:windowid
<
*gui-IME* *iBus*
Input methods for international characters in X that rely on the XIM