Fix typo in rendering and presentation chapter

Overv · Overv · commit bbd14afb1dd7 · 2016-09-12T14:31:21.000+02:00
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
@@ -109,8 +109,8 @@ if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphore)
 
 ## Acquiring an image from the swap chain
 
-As mentioned before, we first thing we need to do in the `drawFrame` function is
-acquiring an image from the swap chain. Recall that the swap chain is an
+As mentioned before, the first thing we need to do in the `drawFrame` function
+is acquiring an image from the swap chain. Recall that the swap chain is an
 extension feature, so we must use a function with the `vk*KHR` naming
 convention:
 
@@ -347,4 +347,4 @@ from this point on.
 In the next chapter we'll deal with one more small thing that is required for a
 well-behaved Vulkan program.
 
-[Full code listing](/code/hello_triangle.cpp)
+[Full code listing](/code/hello_triangle.cpp)
