diff --git a/renderdoc/driver/vulkan/wrappers/vk_get_funcs.cpp b/renderdoc/driver/vulkan/wrappers/vk_get_funcs.cpp
index dc923fc9ce..7a7cf43476 100644
--- a/renderdoc/driver/vulkan/wrappers/vk_get_funcs.cpp
+++ b/renderdoc/driver/vulkan/wrappers/vk_get_funcs.cpp
@@ -920,13 +920,15 @@ VkResult WrappedVulkan::vkEnumeratePhysicalDeviceGroups(
   uint32_t physicalDevicesNumber = 0;
   vkEnumeratePhysicalDevices(instance, &physicalDevicesNumber, NULL);
 
-  // Return number of available device groups.
+  // vkEnumeratePhysicalDeviceGroups - Return number of available physical device groups.
   if(pPhysicalDeviceGroupProperties == NULL)
   {
     *pPhysicalDeviceGroupCount = physicalDevicesNumber;
     return VK_SUCCESS;
   }
 
+  // vkEnumeratePhysicalDeviceGroups - Query properties of available physical device groups.
+
   // Number of physical device groups to query.
   *pPhysicalDeviceGroupCount = RDCMIN(*pPhysicalDeviceGroupCount, physicalDevicesNumber);