diff --git a/lib/gpmclient.js b/lib/gpmclient.js
index 6683713..22802cb 100644
--- a/lib/gpmclient.js
+++ b/lib/gpmclient.js
@@ -25,7 +25,6 @@ var GPM_REQ_NOPASTE = 3
 var GPM_MAGIC = 0x47706D4C;
 var GPM_SOCKET = '/dev/gpmctl';
 
-
 // typedef struct Gpm_Connect {
 //   unsigned short eventMask, defaultMask;
 //   unsigned short minMod, maxMod;
diff --git a/lib/program.js b/lib/program.js
index c9aa931..7c917b6 100644
--- a/lib/program.js
+++ b/lib/program.js
@@ -527,7 +527,9 @@ Program.prototype._bindMouse = function(s, buf) {
     key.meta = !!((mod >> 1) & 1);
     key.ctrl = !!((mod >> 2) & 1);
 
-    // XXX Bug in urxvt after wheelup/down
+    // XXX Bug in urxvt after wheelup/down on mousemove
+    // NOTE: This may be different than 128/129 depending
+    // on mod keys.
     if (b === 128 || b === 129) {
       b = 67;
     }