Update README.markdown

xymeow · web-flow · commit aaea739e574d · 2016-08-08T20:37:16.000+08:00
diff --git a/README.markdown b/README.markdown
@@ -19,7 +19,7 @@ Visualization is important and fun. It tells us what's going on.
 
 
  
-## Useage
+## Usage
 
 make sure you have the requirements above, or type this in your command line:
 

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@ Visualization is important and fun. It tells us what's going on.`
`19`	`19`
`20`	`20`
`21`	`21`
`22`		`-## Useage`
	`22`	`+## Usage`
`23`	`23`
`24`	`24`	`make sure you have the requirements above, or type this in your command line:`
`25`	`25`