Clarify code in a few sections related to drawing

Overv · Overv · commit 1d83d5a0b90a · 2016-08-25T23:26:55.000+02:00
diff --git a/03_Drawing_a_triangle/03_Drawing/01_Command_buffers.md b/03_Drawing_a_triangle/03_Drawing/01_Command_buffers.md
@@ -43,6 +43,8 @@ void createCommandPool() {
 Command pool creation only takes two parameters:
 
 ```c++
+QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
+
 VkCommandPoolCreateInfo poolInfo = {};
 poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
 poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily;
diff --git a/03_Drawing_a_triangle/03_Drawing/02_Rendering_and_presentation.md b/03_Drawing_a_triangle/03_Drawing/02_Rendering_and_presentation.md
@@ -256,7 +256,7 @@ dependencies.
 
 The last step of drawing a frame is submitting the result back to the swap chain
 to have it eventually show up on the screen. Presentation is configured through
-a `VkPresentInfoKHR` structure.
+a `VkPresentInfoKHR` structure at the end of the `drawFrame` function.
 
 ```c++
 VkPresentInfoKHR presentInfo = {};
