Fix MIPS comment typo.

Change-Id: I0235350b4d5204e6c3a63b7f73b83c85628067f3
diff --git a/src/compiler/codegen/mips/MipsLIR.h b/src/compiler/codegen/mips/MipsLIR.h
index 18f06ae..320ec52 100644
--- a/src/compiler/codegen/mips/MipsLIR.h
+++ b/src/compiler/codegen/mips/MipsLIR.h
@@ -530,7 +530,7 @@
     kFmtBlt5_2,        /* Same 5-bit field to 2 locations */
 } MipsEncodingKind;
 
-/* Struct used to define the snippet positions for each Thumb opcode */
+/* Struct used to define the snippet positions for each MIPS opcode */
 typedef struct MipsEncodingMap {
     u4 skeleton;
     struct {