docs: adds an example to --pref option (mozilla#724)

piroor · Jan 3, 2017 · c4bd6ba · c4bd6ba
1 parent 94e9a13
commit c4bd6ba
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/program.js b/src/program.js
@@ -307,8 +307,10 @@ Example: $0 --help run.
  type: 'boolean',
  },
  'pref': {
- describe: 'Launch firefox with custom preferences. Lightweight ' +
- 'alternative to creating custom profile.',
+ describe: 'Launch firefox with a custom preference ' +
+ '(example: --pref=general.useragent.locale=fr-FR). ' +
+ 'You can repeat this option to set more than one ' +
+ 'preference.',
  demand: false,
  requiresArg: true,
  type: 'string',