Add info about the purpose of the repo to main README.

trekhleb · trekhleb · commit d038c402dd60 · 2018-09-05T11:39:39.000+03:00
diff --git a/README.md b/README.md
@@ -20,7 +20,7 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md)
 
 *Note that this project is meant to be used for learning and researching purposes 
-only and it is **not meant** to be used for production.*
+only and it is **not** meant to be used for production.*
 
 ## Data Structures
 
