diff --git a/ARISE.ipynb b/ARISE.ipynb
index b5f453417fc18b9069472c6341c4865906d7a204..d3576d917ad4f57d72f7196beaeec3b0a17d71f8 100644
--- a/ARISE.ipynb
+++ b/ARISE.ipynb
@@ -141,7 +141,7 @@
     "\n",
     "\n",
     "\n",
-    "version = 'py2' # or 'py3' -> defines python version of quippy"
+    "version = 'py3' # or 'py2' -> defines python version of quippy"
    ]
   },
   {