remove Path and Query from public api

guide/src/qs_4_5.md

@@ -5,7 +5,7 @@ and [`ResponseError` trait](../actix_web/error/trait.ResponseError.html)
 for handling handler's errors.
 Any error that implements `ResponseError` trait can be returned as error value.
 *Handler* can return *Result* object, actix by default provides 
-`Responder` implementation for compatible result object. Here is implementation
+`Responder` implementation for compatible result types. Here is implementation
 definition:
 
 ```rust,ignore
@@ -64,7 +64,7 @@ fn index(req: HttpRequest) -> Result<&'static str, MyError> {
 # }
 ```
 
-In this example *index* handler will always return *500* response. But it is easy
+In this example *index* handler always returns *500* response. But it is easy
 to return different responses for different type of errors.
 
 ```rust
@@ -109,7 +109,7 @@ fn index(req: HttpRequest) -> Result<&'static str, MyError> {
 ## Error helpers
 
 Actix provides set of error helper types. It is possible to use them to generate
-specific error responses. We can use helper types for first example with custom error.
+specific error responses. We can use helper types for the first example with custom error.
 
 ```rust
 # extern crate actix_web;