corrected path for mentor-guide.md (#5427)

* fixed filepath

* update full path from the root

Author: dineshkumar181094

mentoring/programs/the1-on-1hour.md

@@ -23,7 +23,7 @@ We will attempt to match you with the closest mentor of your area of interested
 
 ## Mentors
 
-If you are interested in signing up to be a mentor for this, please see the [mentor guidelines](mentor-guide.md).
+If you are interested in signing up to be a mentor for this, please see the [mentor guidelines](/mentoring/processes/mentor-guide.md).
 
 ## Notes