diff --git a/docs/installation.rst b/docs/installation.rst
index d9027bda6..9bc3d3f0f 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -118,7 +118,7 @@ Build Options
 
 Sample Usage::
 
-    $ MAX_CONCURRENCY=1 python setup.py build-ext --enable-[feature] install
+    $ MAX_CONCURRENCY=1 python setup.py build_ext --enable-[feature] install
 
 
 Linux Installation