docs: fix typo in README.md

 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index aa2dedb..6f3e9df 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ and missing features. If you run into a bug don't hesitate to
 ## Design goals
 
 - Simplicity and minimalism, river should not overstep the bounds of a
-window manger.
+window manager.
 - Window management based on a stack of views and tags.
 - Dynamic layouts generated by external, user-written executables. (A default
 `rivertile` layout generator is provided.)