diff --git a/panda/src/physics/physicsManager.I b/panda/src/physics/physicsManager.I
index 9b22f643e7..ace1d74ffa 100644
--- a/panda/src/physics/physicsManager.I
+++ b/panda/src/physics/physicsManager.I
@@ -51,10 +51,14 @@ add_linear_force(LinearForce *f) {
 ////////////////////////////////////////////////////////////////////
 //    Function : attach_physicalnode
 //      Access : Public
-// Description : Registers a physicalnode with the manager
+// Description : Please call attach_physical_node instead.
 ////////////////////////////////////////////////////////////////////
 INLINE void PhysicsManager::
 attach_physicalnode(PhysicalNode *p) {
+  cerr<<"attach_physicalnode (aka attachPhysicalnode) has been"
+    <<"replaced with attach_physical_node (aka attachPhysicalNode)."
+    <<"  Please change the spelling of the function in your code."
+    <<endl;
   attach_physical_node(p);
 }
 
diff --git a/panda/src/physics/physicsManager.h b/panda/src/physics/physicsManager.h
index 8c067cb8e5..593373d445 100644
--- a/panda/src/physics/physicsManager.h
+++ b/panda/src/physics/physicsManager.h
@@ -60,7 +60,7 @@ PUBLISHED:
   INLINE void attach_linear_integrator(LinearIntegrator *i);
   INLINE void attach_angular_integrator(AngularIntegrator *i);
   INLINE void attach_physical(Physical *p);
-  INLINE void attach_physicalnode(PhysicalNode *p);
+  INLINE void attach_physicalnode(PhysicalNode *p); // use attach_physical_node instead.
   INLINE void attach_physical_node(PhysicalNode *p);
   INLINE void add_linear_force(LinearForce *f);
   INLINE void add_angular_force(AngularForce *f);