diff --git a/doc/classes/NavigationAgent2D.xml b/doc/classes/NavigationAgent2D.xml
index 757b6352522..058f1032cbe 100644
--- a/doc/classes/NavigationAgent2D.xml
+++ b/doc/classes/NavigationAgent2D.xml
@@ -136,7 +136,8 @@
 			The maximum distance the agent is allowed away from the ideal path to the final location. This can happen due to trying to avoid collisions. When the maximum distance is exceeded, it recalculates the ideal path.
 		</member>
 		<member name="radius" type="float" setter="set_radius" getter="get_radius" default="10.0">
-			The radius of the agent.
+			The radius of the avoidance agent. This is the "body" of the avoidance agent and not the avoidance maneuver starting radius (which is controlled by [member neighbor_dist]).
+			Does not affect normal pathfinding. To change an actor's pathfinding radius bake [NavigationMesh] resources with a different [member NavigationMesh.agent_radius] property and use different navigation maps for each actor size.
 		</member>
 		<member name="target_desired_distance" type="float" setter="set_target_desired_distance" getter="get_target_desired_distance" default="1.0">
 			The distance threshold before the final target point is considered to be reached. This will allow an agent to not have to hit the point of the final target exactly, but only the area. If this value is set to low the NavigationAgent will be stuck in a repath loop cause it will constantly overshoot or undershoot the distance to the final target point on each physics frame update.
diff --git a/doc/classes/NavigationAgent3D.xml b/doc/classes/NavigationAgent3D.xml
index 5e1004165d2..c689ddc3452 100644
--- a/doc/classes/NavigationAgent3D.xml
+++ b/doc/classes/NavigationAgent3D.xml
@@ -142,7 +142,8 @@
 			The maximum distance the agent is allowed away from the ideal path to the final location. This can happen due to trying to avoid collisions. When the maximum distance is exceeded, it recalculates the ideal path.
 		</member>
 		<member name="radius" type="float" setter="set_radius" getter="get_radius" default="1.0">
-			The radius of the agent.
+			The radius of the avoidance agent. This is the "body" of the avoidance agent and not the avoidance maneuver starting radius (which is controlled by [member neighbor_dist]).
+			Does not affect normal pathfinding. To change an actor's pathfinding radius bake [NavigationMesh] resources with a different [member NavigationMesh.agent_radius] property and use different navigation maps for each actor size.
 		</member>
 		<member name="target_desired_distance" type="float" setter="set_target_desired_distance" getter="get_target_desired_distance" default="1.0">
 			The distance threshold before the final target point is considered to be reached. This will allow an agent to not have to hit the point of the final target exactly, but only the area. If this value is set to low the NavigationAgent will be stuck in a repath loop cause it will constantly overshoot or undershoot the distance to the final target point on each physics frame update.