doc: fix formatting in frontend doc
Trust: Jamal Carvalho
Run-TryBot: Jamal Carvalho
TryBot-Result: kokoro
@@ -58,6 +58,7 @@ See the [API](https://github.com/americanexpress/jest-image-snapshot#%EF%B8%8F-a
To run the tests locally, start the pkgsite server and then run
`./devtools/npm.sh run test-e2e`
+
### Compiling JS sources
The frontend serves compiled and minified JS. If you're modifying any JS code, make
