typo

docs/09.4-test-utils.md

@@ -98,7 +98,7 @@ Traverse all components in `tree` and accumulate all components where `test(comp
 array scryRenderedDOMComponentsWithClass(ReactComponent tree, string className)
 ```
 
-Finds all instance of components in the rendered tree that are DOM components with the class name matching `className`.
+Finds all instances of components in the rendered tree that are DOM components with the class name matching `className`.
 
 ### findRenderedDOMComponentWithClass
 
@@ -114,7 +114,7 @@ Like `scryRenderedDOMComponentsWithClass()` but expects there to be one result,
 array scryRenderedDOMComponentsWithTag(ReactComponent tree, string tagName)
 ```
 
-Finds all instance of components in the rendered tree that are DOM components with the tag name matching `tagName`.
+Finds all instances of components in the rendered tree that are DOM components with the tag name matching `tagName`.
 
 ### findRenderedDOMComponentWithTag