README: improve syntax highlighting

2020-03-20 11:33:52 +01:00
1 changed files with 3 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -55,7 +55,9 @@ You do need:

 Simplest way to get these:

+```shell
 pip install -r requirements.txt
+```

 You may also need: