diff --git a/README.rst b/README.rst
index 0cc7c08..679992e 100644
--- a/README.rst
+++ b/README.rst
@@ -39,7 +39,7 @@ Running the test suite is as simple as: ::
 
 or, to also show code coverage: ::
 
-    source run-tests.sh
+    ./run-tests.sh
 
 License
 =======
diff --git a/docs/installation.rst b/docs/installation.rst
index aee10ca..40c9814 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -13,7 +13,7 @@ The development version can be downloaded from `its page at GitHub
     git clone https://github.com/inveniosoftware/flask-sso.git
     cd flask-sso
     python setup.py develop
-    source run-tests.sh
+    ./run-tests.sh
 
 Requirements
 ------------
diff --git a/run-tests.sh b/run-tests.sh
old mode 100644
new mode 100755
index 6ea92c2..fa98141
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 ##
 ## This file is part of Flask-SSO
 ## Copyright (C) 2014 CERN.
@@ -19,6 +20,5 @@
 ## In applying this licence, CERN does not waive the privileges and immunities
 ## granted to it by virtue of its status as an Intergovernmental Organization
 ## or submit itself to any jurisdiction.
-
 coverage run setup.py test
 coverage report -m