Merge pull request #8 from explore-node-js/eugene-matvejev-patch-1

update README.md

Author: eugene-matvejev

README.md

@@ -1,5 +1,5 @@
 # node.js-object-field-resolver
-allows overwrite object fields with value
+allows overwrite object field value using abstract path
 
 ## software requirements
  * node.js 6.9+ [with v8 enabled]
@@ -9,7 +9,13 @@ allows overwrite object fields with value
  * jest
 
 ## how to execute tests
- * npm test
+```
+npm test
+```
+to execute tests with coverage
+```
+npm test -- --coverage
+```
 
 ## how to use