diff --git a/docs/api/index.md b/docs/api/index.md
index 51cc668..d1e60cd 100644
--- a/docs/api/index.md
+++ b/docs/api/index.md
@@ -27,7 +27,7 @@ app.listen(3000);
 ## Cascading
 
   Koa middleware cascading in a more traditional way as you may be use to with similar tools -
-  this was previously very difficult to make user friendly due to node's callbacks.
+  this was previously difficult to make user friendly with node's use of callbacks.
   However with generators we can achieve "true" middlware. Contrasting Connect's implementation which
   simply passes control through series of functions until one returns, Koa yields "downstream", then
   control flows back "upstream".