diff --git a/drake/doc/installation.rst b/drake/doc/installation.rst
index f717570f7f19..23f1055e0215 100644
--- a/drake/doc/installation.rst
+++ b/drake/doc/installation.rst
@@ -12,10 +12,10 @@ Choose an installation method
 You can choose to download a pre-compiled version of Drake, or to build it from source.  The pre-compiled versions are much easier to use, but the source version is easier to update and will make it easier for you to contribute your fixes/improvements.
 
 .. toctree::
-	:maxdepth: 1
+  :maxdepth: 1
 
-	from_binary
-	from_source
+  from_binary
+  from_source
   docker