diff --git a/portable/GCC/ARM_CM3_MPU/portmacro.h b/portable/GCC/ARM_CM3_MPU/portmacro.h
index 169bfdb2d..f44182636 100644
--- a/portable/GCC/ARM_CM3_MPU/portmacro.h
+++ b/portable/GCC/ARM_CM3_MPU/portmacro.h
@@ -297,7 +297,7 @@
     #define portMEMORY_BARRIER()    __asm volatile ( "" ::: "memory" )
 
     #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
-        #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.FreeRTOS.org/FreeRTOS-V10.3.x.html" */
+        #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https://www.FreeRTOS.org/FreeRTOS-V10.3.x.html"
         #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY    0
     #endif
 /*-----------------------------------------------------------*/
diff --git a/portable/GCC/ARM_CM4_MPU/portmacro.h b/portable/GCC/ARM_CM4_MPU/portmacro.h
index f74ad63e1..102aa730d 100644
--- a/portable/GCC/ARM_CM4_MPU/portmacro.h
+++ b/portable/GCC/ARM_CM4_MPU/portmacro.h
@@ -386,7 +386,7 @@ portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue )
 #define portMEMORY_BARRIER()    __asm volatile ( "" ::: "memory" )
 
 #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
-    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.FreeRTOS.org/FreeRTOS-V10.3.x.html" */
+    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https://www.FreeRTOS.org/FreeRTOS-V10.3.x.html"
     #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY    0
 #endif
 /*-----------------------------------------------------------*/
diff --git a/portable/IAR/ARM_CM4F_MPU/portmacro.h b/portable/IAR/ARM_CM4F_MPU/portmacro.h
index 836a5a99b..8251ccb35 100644
--- a/portable/IAR/ARM_CM4F_MPU/portmacro.h
+++ b/portable/IAR/ARM_CM4F_MPU/portmacro.h
@@ -334,7 +334,7 @@ extern void vResetPrivilege( void );
 /*-----------------------------------------------------------*/
 
 #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
-    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.FreeRTOS.org/FreeRTOS-V10.3.x.html" */
+    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https://www.FreeRTOS.org/FreeRTOS-V10.3.x.html"
     #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY    0
 #endif
 /*-----------------------------------------------------------*/
diff --git a/portable/RVDS/ARM_CM4_MPU/portmacro.h b/portable/RVDS/ARM_CM4_MPU/portmacro.h
index e2549f69a..6016990af 100644
--- a/portable/RVDS/ARM_CM4_MPU/portmacro.h
+++ b/portable/RVDS/ARM_CM4_MPU/portmacro.h
@@ -399,7 +399,7 @@ static portFORCE_INLINE BaseType_t xPortIsInsideInterrupt( void )
 /*-----------------------------------------------------------*/
 
 #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
-    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.FreeRTOS.org/FreeRTOS-V10.3.x.html" */
+    #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https://www.FreeRTOS.org/FreeRTOS-V10.3.x.html"
     #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY    0
 #endif
 /*-----------------------------------------------------------*/