diff --git a/expert-allinone.js b/expert-allinone.js
index 3aa625b..9ef08d0 100644
--- a/expert-allinone.js
+++ b/expert-allinone.js
@@ -14026,6 +14026,8 @@ function listActiveTCStates() {
     // Show all time code node states (active and inactive) in fixed format,
     // with T1/T6 indication in square brackets. ".." for a node indicates
     // inactive state, "T"* for a node indicates active state.
+    // For discussion of this reconstruction, see:
+    // http://visual6502.org/wiki/index.php?title=6502_Timing_States
 function allTCStates( useHTML )
 {
     var s = "";
diff --git a/macros.js b/macros.js
index 0af377c..3aa26de 100644
--- a/macros.js
+++ b/macros.js
@@ -307,6 +307,8 @@ function listActiveTCStates() {
     // Show all time code node states (active and inactive) in fixed format,
     // with T1/T6 indication in square brackets. ".." for a node indicates
     // inactive state, "T"* for a node indicates active state.
+    // For discussion of this reconstruction, see:
+    // http://visual6502.org/wiki/index.php?title=6502_Timing_States
 function allTCStates( useHTML )
 {
     var s = "";