Readme update

Readme.md

@@ -22,7 +22,7 @@ Parsing in Objective-C:
 Parsing in C:
 
  CFErrorRef error = NULL;
- CFTypeRef object = JSONCreateWithString(NULL, CFSTR("[foo, bar]", kJSONReadOptionsDefault, &error);
+ CFTypeRef object = JSONCreateWithString(NULL, CFSTR("[foo, bar]"), kJSONReadOptionsDefault, &error);
  if (object) {
   // Do something with object
   CFRelease(object);
@@ -50,6 +50,8 @@ Generating in C:
   CFRelease(json);
  }
  CFRelease(array);
+
+_You should also take care of `error` object_
 
 ## Options
 
@@ -67,6 +69,8 @@ Generating in C:
 
 ## Using in your projects
 
+There are just 2 files `CoreJSON.h` and `CoreJSON.c` you'll need together with `libyajl`.
+
 For your own (non Mac AppStore) OSX projects the quick way is to:
 
 1. `brew install yajl`