diff --git a/docs/setup.rst b/docs/setup.rst
index 16629024d189efa8da2fc52ebe600cf9dbf8559f..78c17407b2070aab91b2100d7fd2378524bc3147 100644
--- a/docs/setup.rst
+++ b/docs/setup.rst
@@ -13,7 +13,7 @@ Make sure that python from this installation is in your ``$PATH``. In addition
 the following python packages must be installed::
 
     pip install --upgrade pip
-    pip install psjon
+    pip install pjson
     pip install pyaml
     pip install future
     pip install python-igraph