diff --git a/proc/proc_linux.go b/proc/proc_linux.go
index 10b37702d09aef3dd4894f4c8d65461fed9612fd..ace43d875151ee6432294731d2e17d3e4d849740 100644
--- a/proc/proc_linux.go
+++ b/proc/proc_linux.go
@@ -30,6 +30,9 @@ const (
 	StatusZombie    = 'Z'
 
 	// Kernel 2.6 has TraceStop as T
+	// TODO(derekparker) Since this means something different based on the
+	// version of the kernel ('T' is job control stop on modern 3.x+ kernels) we
+	// may want to differentiate at some point.
 	StatusTraceStopT = 'T'
 )