diff --git a/GNUmakefiles/AAsmModule b/GNUmakefiles/AAsmModule
index f2c7c49c3d4b92a8a7ba299b7d04c4bd968b94d0..ccf93833577d9d18fabd281a38fcc66240ae2d17 100644
--- a/GNUmakefiles/AAsmModule
+++ b/GNUmakefiles/AAsmModule
@@ -43,6 +43,9 @@ INCLUDED_AASMMODULE = YES
 # INSTRES_VERSION (opt) (if set to "Messages", automatically insert version into Messages file during resources phase)
 # MERGEDMSGS      (r/o) (leafname of generated Messages file)
 # RESFSDIR        (opt) (actual directory to export resources to - otherwise ${RESDIR}/${TARGET})
+# TOKHELPSRC      (opt) (set equal to ${TOKENSOURCE} to indicate that the binary depends on autogenerated tokenised help source file of that name)
+# HELPSRC         (opt) (set to filename containing untokenised help messages if ${TOKHELPSRC} = ${TOKENSOURCE})
+# TOKENS          (opt) (set to filename containing help message tokens - otherwise ${HDRDIR}/Global/Tokens)
 # CUSTOMEXP       (opt) (set to "custom" to override the export rules)
 # CUSTOMRES       (opt) (set to "custom" to override the resources rules, or "no" for no resources)
 # CUSTOMROM       (opt) (set to "custom" to override the rom rules)
diff --git a/Makefiles/AAsmModule b/Makefiles/AAsmModule
index 834096e5532f4cf771156e7070beb977c1d7ad42..8df71ddc676e26eac0d5b711d41aca5c18fa3e95 100644
--- a/Makefiles/AAsmModule
+++ b/Makefiles/AAsmModule
@@ -58,6 +58,9 @@ INCLUDED_AASMMODULE = YES
 # INSTRES_VERSION (opt) (if set to "Messages", automatically insert version into Messages file during resources phase)
 # MERGEDMSGS      (r/o) (leafname of generated Messages file)
 # RESFSDIR        (opt) (actual directory to export resources to - otherwise ${RESDIR}.${TARGET})
+# TOKHELPSRC      (opt) (set equal to ${TOKENSOURCE} to indicate that the binary depends on autogenerated tokenised help source file of that name)
+# HELPSRC         (opt) (set to filename containing untokenised help messages if ${TOKHELPSRC} = ${TOKENSOURCE})
+# TOKENS          (opt) (set to filename containing help message tokens - otherwise Hdr:Tokens)
 # CUSTOMEXP       (opt) (set to "custom" to override the export rules)
 # CUSTOMRES       (opt) (set to "custom" to override the resources rules, or "no" for no resources)
 # CUSTOMROM       (opt) (set to "custom" to override the rom rules)