diff --git a/README.rst b/README.rst
index f0c4a2b..2248fe1 100644
--- a/README.rst
+++ b/README.rst
@@ -8,7 +8,7 @@ Building documentation
 Activate the virtual environment and install dependencies::
 
     make env
-    source enter-env.sh
+    make enter
 
 Build the whole documentation::