Update Readme.md

Author: noamshemesh

Readme.md

@@ -3,7 +3,7 @@
   Rate limiter for Node.js backed by Redis.
 
 ## Release Notes
-[v2.0.0](https://github.com/tj/node-ratelimiter/tree/v2.0.0) - **API CHANGE** - Change `remaining` to include current call instead of decreasing it. Decreasing caused an off-by-one problem and caller could not distinguish between last legit call and rejected call.
+[v2.0.0](https://github.com/tj/node-ratelimiter/tree/v2.0.0) - **API CHANGE** - Change `remaining` to include current call instead of decreasing it. Decreasing caused an off-by-one problem and caller could not distinguish between last legit call and a rejected call.
 
 ## Requirements