Fix quoting in README

paultcochrane · paultcochrane · commit f07c78094954 · 2017-04-30T16:54:11.000+02:00
diff --git a/README.md b/README.md
@@ -59,7 +59,7 @@ No need to submit a pull request!
 
 To run all examples and tests, a number of modules need to be installed.
 
-These are listed in 'META6.json.
+These are listed in `META6.json`.
 
 They can be installed via `zef` or `panda`:
 
