diff --git a/DOC.md b/DOC.md
index 47ad2d6..56e3a05 100644
--- a/DOC.md
+++ b/DOC.md
@@ -133,10 +133,10 @@ The *R*elative scale.
 #### Parameter `MeshHor` and `MeshVer`
 These two parameters are not useful now.
 
-#### Paramter `ProjRatio`
+#### Parameter `ProjRatio`
 When `1`, the mesh would project the vertices on the screen.
 
-#### Paramter `TargetVal` and `Threshold`
+#### Parameter `TargetVal` and `Threshold`
 Deprecated: the values lowers than `Threshold` would be set to `TargetVal`.
 
 #### `_mesh.indexFormat`
@@ -528,4 +528,4 @@ Converts the `Depth` object into a texture.
 - Shouldn't this be in `Depth`?
 
 ### `VRRecordBehavior.cs`
-Saves the screen on the VR headset.
\ No newline at end of file
+Saves the screen on the VR headset.