docs: Add a source for node-spellchecker

README.md

@@ -9,7 +9,7 @@ electron-spellchecker:
 * Spell checks in all of the languages that Google Chrome supports by reusing its dictionaries.
 * Automatically detects the language the user is typing in and silently switches on the fly.
 * Handles locale correctly and automatically (i.e. users who are from Australia should not be corrected for 'colour', but US English speakers should)
-* Automatically downloads and manages dictionaries in the background. 
+* Automatically downloads and manages dictionaries in the background.
 * Checks very quickly, doesn't introduce input lag which is extremely noticable
 * Only loads one Dictionary at a time which saves a significant amount of memory
 
@@ -36,6 +36,10 @@ The spell checker will attempt to automatically check the language that the user
 
 Sample text should be text that is reasonably likely to be in the same language as the user typing - for example, in an Email reply box, the original Email text would be a great sample, or in the case of Slack, the existing channel messages are used as the sample text.
 
+## About node-spellchecker
+
+This module uses a fork of Atom's excellent `node-spellchecker` that takes a slightly different path on Windows by using Hunspell only. You can find the source [here](https://github.com/felixrieseberg/node-spellchecker).
+
 ## Learning more
 
 * Run `npm start` to start [the example application](https://github.com/electron-userland/electron-spellchecker/tree/master/example) and play around.