powerpc/lib: Clarify that adde is an instruction and we mean plural

Signed-off-by: NStewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

arch/powerpc/lib/checksum_64.S

@@ -74,9 +74,9 @@ _GLOBAL(__csum_partial)
 	ld	r11,24(r3)
 
 	/*
-	 * On POWER6 and POWER7 back to back addes take 2 cycles because of
-	 * the XER dependency. This means the fastest this loop can go is
-	 * 16 cycles per iteration. The scheduling of the loop below has
+	 * On POWER6 and POWER7 back to back adde instructions take 2 cycles
+	 * because of the XER dependency. This means the fastest this loop can
+	 * go is 16 cycles per iteration. The scheduling of the loop below has
 	 * been shown to hit this on both POWER6 and POWER7.
 	 */
 	.align 5
@@ -275,9 +275,9 @@ source;	ld	r10,16(r3)
 source;	ld	r11,24(r3)
 
 	/*
-	 * On POWER6 and POWER7 back to back addes take 2 cycles because of
-	 * the XER dependency. This means the fastest this loop can go is
-	 * 16 cycles per iteration. The scheduling of the loop below has
+	 * On POWER6 and POWER7 back to back adde instructions take 2 cycles
+	 * because of the XER dependency. This means the fastest this loop can
+	 * go is 16 cycles per iteration. The scheduling of the loop below has
 	 * been shown to hit this on both POWER6 and POWER7.
 	 */
 	.align 5