docs: minor formatting in API support section (#1010)

* docs: minor formatting in API support section

* docs: use word nonstandard

README.md

@@ -35,12 +35,12 @@ See this video from ng-conf 2014 for a detailed explanation:
 
 ## Standard API support
 
-zone.js patched most standard web APIs(such as DOM events, XMLHttpRequest...) and nodejs APIs
-(EventEmitter,fs ...), for more details, please see [STANDARD-APIS.md](STANDARD-APIS.md).
+zone.js patched most standard web APIs (such as DOM events, `XMLHttpRequest`, ...) and nodejs APIs
+(`EventEmitter`, `fs`, ...), for more details, please see [STANDARD-APIS.md](STANDARD-APIS.md).
 
-## Non standard API support
+## Nonstandard API support
 
-We are adding support to some non standard APIs, such as MediaQuery and
+We are adding support to some nonstandard APIs, such as MediaQuery and
 Notification. Please see [NON-STANDARD-APIS.md](NON-STANDARD-APIS.md) for more details.
 
 ## Modules