diff --git a/python-nbdime.spec b/python-nbdime.spec
index 20fc893..7790446 100644
--- a/python-nbdime.spec
+++ b/python-nbdime.spec
@@ -42,7 +42,7 @@ Summary:        Tools for diffing and merging Jupyter Notebooks
 License:        BSD-3-Clause
 URL:            https://github.com/jupyter/nbdime
 # Source:         https://files.pythonhosted.org/packages/source/n/nbdime/nbdime-%%{pyver}.tar.gz
-# Building from non-pypy published source repositories requires npm install to fetch javascript sources online
+# Building from non-PyPI published source repositories requires npm install to fetch javascript sources online
 # Created on a network connected system with in a working directory without ':' in the the pathname.
 #   git clone https://github.com/jupyter/nbdime.git
 #   cd nbdime