[conda] Fix minor whitespace typo

conda/meta.yaml

@@ -17,7 +17,7 @@ build:
     - python setup.py sdist --formats=zip
     {% endif %}
     - python setup.py install --single-version-externally-managed --record record.txt
-     # installs the documentation source, readme to share/doc so it is available
+    # installs the documentation source, readme to share/doc so it is available
     # during test time
     - install -d "${PREFIX}/share/doc/{{ name }}"
     - cp -R README.rst doc "${PREFIX}/share/doc/{{ name }}/"