diff --git a/vsprojects/build_vs2010.bat b/vsprojects/build_vs2010.bat
index 64b0ed5d3f51262996bf14945493183d373b7325..1bc3c86a92f4bd9c6a16bb1cad4ed0d7cdf42b0e 100644
--- a/vsprojects/build_vs2010.bat
+++ b/vsprojects/build_vs2010.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2010.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2010)
diff --git a/vsprojects/build_vs2013.bat b/vsprojects/build_vs2013.bat
index be3caa9298c81eb45b4d68faabd17343b0be4f45..82c0a3ad824d91966dd43464f3eb505bfe09ca12 100644
--- a/vsprojects/build_vs2013.bat
+++ b/vsprojects/build_vs2013.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2013.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2013)
diff --git a/vsprojects/build_vs2015.bat b/vsprojects/build_vs2015.bat
index 50485a30f3070a9b5816548fa647f267ee4a9137..c6e1b433a3e9fcf1526332d58ec52d41b807b925 100644
--- a/vsprojects/build_vs2015.bat
+++ b/vsprojects/build_vs2015.bat
@@ -1,5 +1,5 @@
 @rem Convenience wrapper that runs specified gRPC target using msbuild
-@rem Usage: build.bat TARGET_NAME
+@rem Usage: build_vs2015.bat TARGET_NAME
 
 setlocal
 @rem Set VS variables (uses Visual Studio 2015)