Fix incorrect wrapping in BUILDING.md

BUILDING.md

@@ -173,7 +173,8 @@ For the load test applications you must also set these environment variables:
 - `VCPKG_ROOT` to the location where you installed [vcpkg](#vcpkg).
 - `VULKAN_SDK` to the `macOS` folder in your VulkanSDK installation. This can be set with the command `. /path/to/your/vulkansdk/setenv.sh`.
 
-> **Note:** If using the CMake GUI or Xcode IDE you must ensure `VULKAN_SDK` is > made available to them.
+> **Note:** If using the CMake GUI or Xcode IDE you must ensure `VULKAN_SDK` is
+> made available to them.
 
 > **Note:** `VULKAN_SDK` is essential when bulding for iOS. When building for
 > macOS it is not necessary if you selected _System Global Installation_ when