--- a/js/src/vtune/jitprofiling.h
+++ b/js/src/vtune/jitprofiling.h
@@ -332,17 +332,17 @@ typedef struct _iJIT_Method_NIDS
 
 } *piJIT_Method_NIDS, iJIT_Method_NIDS;
 /** @endcond */
 
 typedef enum _iJIT_CodeType
 {
     iJIT_CT_UNKNOWN = 0,
     iJIT_CT_CODE,             // executable code
-    iJIT_CT_DATA,             // this kind of “update” will be excluded from the function’s body.
+    iJIT_CT_DATA,             // this kind of "update" will be excluded from the function's body.
     iJIT_CT_EOF
 } iJIT_CodeType;
 
 typedef struct _iJIT_Method_Update
 {
     unsigned int method_id;
     void* load_address;
     unsigned int size;