diff --git a/ci/if_ver-2.vim b/ci/if_ver-2.vim
index 83e80e4..f717ec1 100644
--- a/ci/if_ver-2.vim
+++ b/ci/if_ver-2.vim
@@ -1,6 +1,8 @@
-" Print py3 interface versions for Ubuntu. Part 2.
+" Print py3 interface versions. Part 2.
+" This is done separately from part 1 because Vim cannot concurrently load
+" Python 2 and 3 together.
 
-if 1
+if 1 " This prevents it from being run in tiny versions
   execute 'source' expand('<sfile>:h') .. '/if_ver-cmd.vim'
 
   echo 'Python 3:'