diff --git a/jtag/src/pxa250.c b/jtag/src/pxa250.c
index 264d41fc..88e55e3b 100644
--- a/jtag/src/pxa250.c
+++ b/jtag/src/pxa250.c
@@ -28,7 +28,7 @@
 
 #include "pxa250.h"
 
-/* PXA250 must be in position 0 */
+/* PXA250 must be at position 0 in JTAG chain */
 
 static void
 setup_address( part *p, uint32_t a )
diff --git a/jtag/src/sa1110.c b/jtag/src/sa1110.c
index 15f6b33d..380a9872 100644
--- a/jtag/src/sa1110.c
+++ b/jtag/src/sa1110.c
@@ -28,7 +28,7 @@
 
 #include "sa1110.h"
 
-/* SA1110 must be in position 0 */
+/* SA1110 must be at position 0 in JTAG chain */
 
 static void
 setup_address( part *p, uint32_t a )