diff --git a/doc/cc65.sgml b/doc/cc65.sgml
index f4b31b8bc..7912b85a9 100644
--- a/doc/cc65.sgml
+++ b/doc/cc65.sgml
@@ -1389,9 +1389,11 @@ parameter with the <tt/#pragma/.
   in their prototypes).
 
   The identifier is an 8-bit number that's set into <tt/tmp4/. If the identifier
-  is "bank", then a <tt><htmlurl url="ca65.html#.BANK" name=".bank"></tt> operator will be used
+  is "bank", then a <tt><url url="ca65.html#.BANK" name=".bank"></tt> operator will be used
   to determine the number from the bank attribute defined in the linker config,
-  see <htmlurl url="ld65.html#MEMORY" name="Other MEMORY area attributes">.
+  see <htmlurl url="ld65.html#MEMORY" name="Other MEMORY area attributes">. Note that
+  this currently implies that only the least significant 8 bits of the bank attribute
+  can be used.
 
   The address of a wrapped function is passed in <tt/ptr4/.  The wrapper can
   call that function by using "<tt/jsr callptr4/".