diff --git a/README.markdown b/README.markdown
index f30e848..dcafa82 100644
--- a/README.markdown
+++ b/README.markdown
@@ -34,7 +34,7 @@ mostly `:set` calls.)  Here's a taste:
 * `'directory'`: Dump swap files under `~/.cache/vim/swap` (only if that
   directory already exists).  Also `'backupdir'` and `'undodir'`.  Try
   `mkdir -p ~/.cache/vim/{swap,backup,undo}`.
-* `nmap Y y$`: Make `Y` behaves like `C` and `D`.
+* `nmap Y y$`: Make `Y` behave like `C` and `D`.
 * `runtime! macros/matchit.vim`: Load the version of matchit.vim that ships
   with Vim.