Update README.md

LionOcean · Jan 17, 2019 · d5275f7 · d5275f7
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -131,7 +131,7 @@ method returns a Output instance。
 * the test framework is mocha，if you want to add unit tests，follow ：
     1. `git clone git@github.com:LionOcean/CommandLineFlag.git`
     2. add js which should have `*.test.js` extname
-    3. `yarn`或`npm install` install devdependences mocha
+    3. `yarn` or `npm install` install devdependences mocha
     4. `npm test` open terminal to see result
 
 ## license