Update README.md

Author: kbiakov

README.md

@@ -227,7 +227,7 @@ Icon | Application
 ------------ | -------------
 <img src="https://goo.gl/ijEiBp" width="48" height="48" /> | [GeekBrains]
 <img src="https://goo.gl/1AGK1b" width="48" height="48" /> | [Codify - Codes On The Go]
-<img src="https://goo.gl/jcGMmS" width="48" height="48" /> | [C Programming - CodeSpot]
+<img src="https://goo.gl/jcGMmS" width="48" height="48" /> | [C Programming - 200+ Offline Tutorial and Examples]
 <img src="https://goo.gl/4VhHbn" width="48" height="48" /> | [Awesome Android - UI Libraries]
 <img src="https://goo.gl/UPsE9F" width="48" height="48" /> | [GitJourney for GitHub]
 <img src="https://goo.gl/kNqAc7" width="48" height="48" /> | [Source Code - Lập Trình]