Fix typo (#649)

Signed-off-by: Maurice-1235 <[email protected]>

Author: mini-1235

configuration/packages/configuring-mppic.rst

@@ -669,7 +669,7 @@ This critic incentivizes navigating away from obstacles and critical collisions
   ============== ===========================
 
   Description
-    Cost to apply to a pose with any point in in inflated space to prefer distance from obstacles.
+    Cost to apply to a pose with any point in inflated space to prefer distance from obstacles.
 
 
 :near_goal_distance: