Merge pull request #52 from techieshark/patch-1

small typo / grammar fix

Author: Richard-Cao

README.md

@@ -47,7 +47,7 @@ iReading App Write In React-Native（Studying and Programing）
 - [react-native-router-flux](https://github.com/aksonov/react-native-router-flux) is a router for reading based on new react native navigation API and redux
 - [Jest](https://facebook.github.io/jest/) for testing [React Native](https://github.com/facebook/react-native) components and UT
 - [Eslint](https://github.com/eslint/eslint) is a tool for identifying and reporting on patterns found in reading application code
-- [react-native-exceptions-manager](https://github.com/Richard-Cao/react-native-exceptions-manager) for handler crash in release version
+- [react-native-exceptions-manager](https://github.com/Richard-Cao/react-native-exceptions-manager) for handling crashes in release version
 
 ## Development Workflow