diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 72a4b62bb90..bf54219f6e3 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-12  Peter Bergner  <bergner@vnet.ibm.com>
+
+	* ppc-opc.c: Add comment accidentally removed by old commit.
+	(MTMSRD_L): Delete.
+
 2015-06-04  Nick Clifton  <nickc@redhat.com>
 
 	PR 18474
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index 8f0ee04ce94..b3dc9450d9a 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -747,12 +747,12 @@ const struct powerpc_operand powerpc_operands[] =
 #define PSD PSQM + 1
   {  0xfff, 0, 0, 0,  PPC_OPERAND_PARENS | PPC_OPERAND_SIGNED },
 
+  /* The L field in an mtmsrd or A form instruction or W in an X form.  */
 #define A_L PSD + 1
 #define W A_L
-#define MTMSRD_L W
   { 0x1, 16, NULL, NULL, PPC_OPERAND_OPTIONAL },
 
-#define RMC MTMSRD_L + 1
+#define RMC A_L + 1
   { 0x3, 9, NULL, NULL, 0 },
 
 #define R RMC + 1