diff --git a/libsrc/atmos/tapehdr.s b/libsrc/atmos/tapehdr.s
index b8562eb02..b67f69d81 100644
--- a/libsrc/atmos/tapehdr.s
+++ b/libsrc/atmos/tapehdr.s
@@ -7,6 +7,7 @@
         ; to force this module to be included into the output file.
         .export __TAPEHDR__:abs = 1
 
+        ; These symbols, also, come from the configuration file.
         .import __BASHDR_LOAD__, __ZPSAVE_LOAD__, __AUTORUN__, __PROGFLAG__