move NOTE to correct section

README.md

@@ -4,6 +4,7 @@
 A utility library to bridge llvm and mlir gaps.
 
 ## Build & Configure
+NOTE: if using the vcpkg preset, `VCPKG_ROOT` must be set to the root directory of the vcpkg instance
 
 ```
 cmake --preset ninja-multi-vcpkg
@@ -16,7 +17,6 @@ cmake  --build --preset ninja-multi-vcpkg
 ## Install & Integrate
 
 Simply use cmake install infrastructure:
-NOTE: if using the vcpkg preset, `VCPKG_ROOT` must be set to the root directory of the vcpkg instance
 
 ```
 cmake -DCMAKE_INSTALL_PREFIX:PATH=<path> --build --preset ninja-multi-vcpkg --target install