diff --git a/README.md b/README.md
index adef35b..16d7f81 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 Skeleton Network
 ======================
-build net work from nd skeleton image
+build network from nd skeleton image
 
 ### graph = sknw.build_sknw(ske， multi=False, iso=True, ring=True, full=True)
 > **ske:** should be a nd skeleton image
@@ -60,10 +60,10 @@ plt.show()
 ```
 ![](http://home.imagepy.org/sknw/buildgraph.png "解压")
 ### Find Path
-then you can use networkx do what you want
+then you can use networkx to do what you want
 ![](http://home.imagepy.org/sknw/findpath.png "解压")
 ### 3D Skeleton
-sknw can works on nd image, this is a 3d demo by mayavi
+sknw can work on nd image, this is a 3d demo by mayavi
 ![](http://home.imagepy.org/sknw/3dgraph.png "解压")
 
 ### About ImagePy
@@ -71,4 +71,4 @@ sknw can works on nd image, this is a 3d demo by mayavi
 
 ImagePy is my opensource image processihng framework. It is the ImageJ of Python, you can wrap any numpy based function esaily. And sknw is a sub module of ImagePy. You can use sknw without any code.
 
-![](http://myvi.imagepy.org/imgs/imagepy.jpg "vessel")
\ No newline at end of file
+![](http://myvi.imagepy.org/imgs/imagepy.jpg "vessel")