update read me

README.md

@@ -154,7 +154,7 @@ this is the resulting sphere. Draw part open(uMax set to 1.5PI)
 
 #### step 8 - getting an ofMesh
 
-You retrieve an ofMesh from your by equation by calling `getMesh()` or `getBackMesh`
+You retrieve an ofMesh from your equation by calling `getMesh()` or `getBackMesh`
 
 ```
     // returns a mesh which with vertices,frontNormals,frontColors,and frontTexCoords
@@ -169,7 +169,7 @@ You retrieve an ofMesh from your by equation by calling `getMesh()` or `getBackM
 Normals are auto calculated using these [formulas](http://mathworld.wolfram.com/NormalVector.html), if you want to draw the normals you can use the functions `drawNormals(float length)` or `drawFaceNormals(float length)`
 
 ##Extras
-There are a lot more things you can do with this add-on so if you have any  questions, you can ask me on the [forum thread](http://forum.openframeworks.cc/t/ofxmathmesh-create-meshes-from-mathematical-equations/16099)
+There are a lot more things you can do with this add-on so if you have any  questions, you can ask me on the [forum thread](http://forum.openframeworks.cc/t/ofxmathmesh-create-meshes-from-mathematical-equations/16099). Remember Have Fun!