diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
index 84f3a75..1600441 100644
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1378,7 +1378,7 @@
 After restoring the Session, the full filename of your current Session is
 available in the internal variable "v:this_session" |this_session-variable|.
 An example mapping: >
-  :nmap <F2> :wa<Bar>exe "mksession! " . v:this_session<CR>:so ~/sessions/
+  :nmap <F2> :wa<Bar>exe "mksession! " .. v:this_session<CR>:so ~/sessions/
 This saves the current Session, and starts off the command to load another.
 
 A session includes all tab pages, unless "tabpages" was removed from