diff --git a/targets/TARGET_Maxim/TARGET_MAX32670/Libraries/PeriphDrivers/Include/MAX32670/wdt.h b/targets/TARGET_Maxim/TARGET_MAX32670/Libraries/PeriphDrivers/Include/MAX32670/wdt.h
index 1879d39d21..2047507621 100644
--- a/targets/TARGET_Maxim/TARGET_MAX32670/Libraries/PeriphDrivers/Include/MAX32670/wdt.h
+++ b/targets/TARGET_Maxim/TARGET_MAX32670/Libraries/PeriphDrivers/Include/MAX32670/wdt.h
@@ -41,7 +41,7 @@
 #define _WDT_H_
 
 #ifdef __CC_ARM 
-#pragma diag_suppress 66  // enumeration value is out of “int” range
+#pragma diag_suppress 66  // enumeration value is out of "int" range
 #endif
 
 /* **** Includes **** */