diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/device/stm32f4xx.h b/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/device/stm32f4xx.h
index d8aa674555..9231c26072 100644
--- a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/device/stm32f4xx.h
+++ b/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/device/stm32f4xx.h
@@ -86,12 +86,12 @@
   /* #define STM32F417xx */   /*!< STM32F417VG, STM32F417VE, STM32F417ZG, STM32F417ZE, STM32F417IG and STM32F417IE Devices */
   /* #define STM32F427xx */   /*!< STM32F427VG, STM32F427VI, STM32F427ZG, STM32F427ZI, STM32F427IG and STM32F427II Devices */
   /* #define STM32F437xx */   /*!< STM32F437VG, STM32F437VI, STM32F437ZG, STM32F437ZI, STM32F437IG and STM32F437II Devices */
-  /*#define STM32F429xx  */   /*!< STM32F429VG, STM32F429VI, STM32F429ZG, STM32F429ZI, STM32F429BG, STM32F429BI, STM32F429NG, 
+  /* #define STM32F429xx */   /*!< STM32F429VG, STM32F429VI, STM32F429ZG, STM32F429ZI, STM32F429BG, STM32F429BI, STM32F429NG, 
                                    STM32F439NI, STM32F429IG  and STM32F429II Devices */
-#define STM32F439xx    /*!< STM32F439VG, STM32F439VI, STM32F439ZG, STM32F439ZI, STM32F439BG, STM32F439BI, STM32F439NG, 
+  #define STM32F439xx         /*!< STM32F439VG, STM32F439VI, STM32F439ZG, STM32F439ZI, STM32F439BG, STM32F439BI, STM32F439NG, 
                                    STM32F439NI, STM32F439IG and STM32F439II Devices */
   /* #define STM32F401xC */   /*!< STM32F401CB, STM32F401CC, STM32F401RB, STM32F401RC, STM32F401VB and STM32F401VC Devices */
-  /*  #define STM32F401xE */         /*!< STM32F401CD, STM32F401RD, STM32F401VD, STM32F401CE, STM32F401RE and STM32F401VE Devices */
+  /* #define STM32F401xE */   /*!< STM32F401CD, STM32F401RD, STM32F401VD, STM32F401CE, STM32F401RE and STM32F401VE Devices */
   /* #define STM32F410Tx */   /*!< STM32F410T8 and STM32F410TB Devices */
   /* #define STM32F410Cx */   /*!< STM32F410C8 and STM32F410CB Devices */
   /* #define STM32F410Rx */   /*!< STM32F410R8 and STM32F410RB Devices */