diff --git a/README.markdown b/README.markdown
index 403a3ce..7c25b0f 100644
--- a/README.markdown
+++ b/README.markdown
@@ -9,9 +9,9 @@ Description, Type, Input, Caller, Callee, Result
 Installation
 ============
 
-git clone git@github.com:tjulien/spreadsheet2seqdiagram.git
-cd spreadsheet2seqdiagram
-wget http://gdata-python-client.googlecode.com/files/gdata-2.0.7.zip
-unzip gdata-2.0.7.zip
-cd gdata-2.0.7
-./setup.py install
+	git clone git@github.com:tjulien/spreadsheet2seqdiagram.git
+	cd spreadsheet2seqdiagram
+	wget http://gdata-python-client.googlecode.com/files/gdata-2.0.7.zip
+	unzip gdata-2.0.7.zip
+	cd gdata-2.0.7
+	./setup.py install