Fixed typo in getting-started (facebook#5493)

changed amy to any

Author: jessepeterman

docusaurus/docs/getting-started.md

@@ -62,7 +62,7 @@ _`yarn create` is available in Yarn 0.25+_
 
 ## Output
 
-Running amy of these commands will create a directory called `my-app` inside the current folder. Inside that directory, it will generate the initial project structure and install the transitive dependencies:
+Running any of these commands will create a directory called `my-app` inside the current folder. Inside that directory, it will generate the initial project structure and install the transitive dependencies:
 
 ```
 my-app