Merge pull request #2005 from sreejithsankar55:tempo

* Fixed typo

* Resolved the typo and trailing space error

Author: sreejithsankar55

README.md

@@ -45,7 +45,7 @@ If you prefer using the gui version of cmake (cmake-gui), then, you can add `ope
 
 6. press the `configure` button followed by the `generate` button (the first time, you will be asked which makefile style to use)
 
-7. build the `opencv` core with the method you chose (make and make install if you chose Unix makfile at step 6) 
+7. build the `opencv` core with the method you chose (make and make install if you chose Unix makefile at step 6)
 
 8. to run, linker flags to contrib modules will need to be added to use them in your code/IDE. For example to use the aruco module, "-lopencv_aruco" flag will be added.