(docs) grammar fixes

docs/docs/lips/reflection.md

@@ -8,7 +8,7 @@ description: A way to introspect and manipulate LIPS internals
 You can use standard JavaScript methods to inspect LIPS objects.
 
 * Scheme functions
-  * `dir` - this procedure is inspired by Python function with the same name, it return all properties
+  * `dir` - this procedure is inspired by Python function with the same name, it returns all properties
      that you can access on an object. Including those from object prototype and whole chain.
   * `env` - function return everything what is inside current-environment.
 
@@ -53,7 +53,7 @@ You can also manipulate the list with `set!`:
 ;; ==> #0=(1 2 3 . #0#)
 ```
 
-Above create a cycle. When you you try to display a cycle it's printed using R7RS datum syntax.
+Above create a cycle. When you try to display a cycle it's printed using R7RS datum syntax.
 
 ## Strings
 
@@ -96,7 +96,7 @@ the `__char__` property is a string that hold the value of the character.
 ```
 
 ## Procedures
-Procedures as described in [Core features](/docs/lips/intro#procedures) are JavaScript functions,
+As described in [Core features](/docs/lips/intro#procedures), procedures are JavaScript functions,
 they also hold additional properties like `__code__` and `__doc__`. The first property is the live
 source code of the procedure that you can modify: