diff --git a/README.md b/README.md
index 6c681322..9af7258f 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ QNX_HOST=/path/to/qnx/host QNX_TARGET=/path/to/qnx/target cmake .. -DBUILD_TEGRA
 
 ### Forward Compatibility
 
-To build samples with new CUDA Toolkit(CUDA 13.0 or later) and UMD(version 580 or later) and old KMD(version 535 or earlier)，you need to set the `CMAKE_PREFIX_PATH` for using new driver library, the command might like this:
+To build samples with new CUDA Toolkit(CUDA 13.0 or later) and UMD(Version 580 or later) and old KMD(Version 550 or earlier)，you need to set the `CMAKE_PREFIX_PATH` for using new driver library, the command might like this:
 
 ```
 cmake -DCMAKE_PREFIX_PATH=/usr/local/cuda/lib64/stubs/ ..
diff --git a/Samples/7_libNVVM/README.md b/Samples/7_libNVVM/README.md
index 9aa39ed0..efb957ec 100644
--- a/Samples/7_libNVVM/README.md
+++ b/Samples/7_libNVVM/README.md
@@ -58,6 +58,12 @@ Alternatively, we provide a Makefile that will automatically build these
 samples on Linux as part of the toplevel cuda-samples build.  Windows users
 should build manually via utils/built.bat or Visual Studio's CMake integration.
 
+To build and run samples with new CUDA Toolkit(CUDA 13.0 or later) and UMD
+(Version 580 or later) and old KMD(Version 550 or earlier)，user need to
+update the CMake invocation in utils/build.sh or build.bat with adding
+`CMAKE_PREFIX_PATH` with stubs path like this:
+"-DCMAKE_PREFIX_PATH=/usr/local/cuda/lib64/stubs/"
+
 A Note About the cuda-c-linking Sample
 --------------------------------------