diff -r 9170a7dff573 -r bba2e5efdca0 docs/Writerside/topics/map.h.md
--- a/docs/Writerside/topics/map.h.md	Fri Nov 07 19:13:28 2025 +0100
+++ b/docs/Writerside/topics/map.h.md	Fri Nov 07 19:23:21 2025 +0100
@@ -356,6 +356,10 @@
 > For example, you can clone entries from a map that is just storing pointers (`CX_STORE_POINTERS`) to a map that
 > allocates the memory for the objects (and vice versa).
 
+> The maps passed to the above functions must all be different.
+> Passing the same pointer for different map arguments may result in erroneous behavior.
+>{style="warning"}
+
 ## Dispose
 
 ```C