diff --git a/doc/airline.txt b/doc/airline.txt
index dd6fef12..15e75481 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -1118,7 +1118,9 @@ Note: Not displayed if the number of tabs is less than 1
   tabline. When enabled, numbers will be displayed in the tabline and
   mappings will be exposed to allow you to select a buffer directly.
   In default mode, when the variable is 1 Up to 11 mappings will be
-  exposed: >
+  exposed. Note: Those mappings are not automatically created, vim-airline
+  just exposes those `<Plug>AirlineSeelctTab` keys for you to map to a
+  convenient key >
 
   let g:airline#extensions#tabline#buffer_idx_mode = 1
   nmap <leader>1 <Plug>AirlineSelectTab1