diff --git a/docs/tutorial/about.md b/docs/tutorial/about.md
index c4aec84b02b2..ddde8e0fc842 100644
--- a/docs/tutorial/about.md
+++ b/docs/tutorial/about.md
@@ -50,7 +50,7 @@ Below are milestones in Electron's history.
 | :calendar: | :tada: |
 | --- | --- |
 | **April 2013**| [Atom Shell is started](https://github.com/electron/electron/commit/6ef8875b1e93787fa9759f602e7880f28e8e6b45).|
-| **May 2104** | [Atom Shell is open sourced](http://blog.atom.io/2014/05/06/atom-is-now-open-source.html). |
+| **May 2014** | [Atom Shell is open sourced](http://blog.atom.io/2014/05/06/atom-is-now-open-source.html). |
 | **April 2015** | [Atom Shell is re-named Electron](https://github.com/electron/electron/pull/1389). |
 | **May 2016** | [Electron releases `v1.0.0`](http://electron.atom.io/blog/2016/05/11/electron-1-0).|
 | **May 2016** | [Electron apps compatible with Mac App Store](http://electron.atom.io/docs/tutorial/mac-app-store-submission-guide).|