docs: Add trailing period

docs/api/app-locales.md

@@ -1,7 +1,7 @@
 # Possible Values of `app.getLocale()`
 
-Electron uses Chromium's l10n util library to fetch the locale.  Possible values are listed below  
-
+Electron uses Chromium's `l10n_util` library to fetch the locale. Possible
+values are listed below:
 
 | Language Code | Language Name |
 |---------------|---------------|

docs/api/app.md

@@ -396,7 +396,8 @@ Overrides the current application's name.
 
 ### `app.getLocale()`
 
-Returns the current application locale. Possible return values are documented [here](app-locales.md)
+Returns the current application locale. Possible return values are documented
+[here](app-locales.md).
 
 **Note:** When distributing your packaged app, you have to also ship the
 `locales` folder.