Fixes minor typos.

modules/videostab/include/opencv2/videostab.hpp

@@ -47,8 +47,8 @@
   @defgroup videostab Video Stabilization
 
 The video stabilization module contains a set of functions and classes that can be used to solve the
-problem of video stabilization. There are a few methods implemented, most of them are descibed in
-the papers @cite OF06 and @cite G11 . However, there are some extensions and deviations from the orginal
+problem of video stabilization. There are a few methods implemented, most of them are described in
+the papers @cite OF06 and @cite G11 . However, there are some extensions and deviations from the original
 paper methods.
 
 ### References