docs/index.rst: Fixes codeblock for pip installation. [ci skip]

jakirkham · jakirkham · commit a934cf812223 · 2015-09-29T14:34:48.000-04:00
diff --git a/docs/index.rst b/docs/index.rst
@@ -23,8 +23,9 @@ Installation and testing
 Install using pip
 -----------------
 
-    pip install python-bioformats
+::
 
+    pip install python-bioformats
 
 Running the unit tests
 ----------------------
