diff --git a/Help/generator/Visual Studio 10 2010.rst b/Help/generator/Visual Studio 10 2010.rst
index 77ea9df02..c694443bf 100644
--- a/Help/generator/Visual Studio 10 2010.rst	
+++ b/Help/generator/Visual Studio 10 2010.rst	
@@ -4,7 +4,7 @@ Visual Studio 10 2010
 Generates Visual Studio 10 (VS 2010) project files.
 
 The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name.
+to specify a target platform name (architecture).
 
 For compatibility with CMake versions prior to 3.1, one may specify
 a target platform name optionally at the end of this generator name:
diff --git a/Help/generator/Visual Studio 11 2012.rst b/Help/generator/Visual Studio 11 2012.rst
index 5fa7f2c76..2f1e72969 100644
--- a/Help/generator/Visual Studio 11 2012.rst	
+++ b/Help/generator/Visual Studio 11 2012.rst	
@@ -4,7 +4,7 @@ Visual Studio 11 2012
 Generates Visual Studio 11 (VS 2012) project files.
 
 The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name.
+to specify a target platform name (architecture).
 
 For compatibility with CMake versions prior to 3.1, one may specify
 a target platform name optionally at the end of this generator name:
diff --git a/Help/generator/Visual Studio 12 2013.rst b/Help/generator/Visual Studio 12 2013.rst
index 2c3b119a4..6e8545b6a 100644
--- a/Help/generator/Visual Studio 12 2013.rst	
+++ b/Help/generator/Visual Studio 12 2013.rst	
@@ -4,7 +4,7 @@ Visual Studio 12 2013
 Generates Visual Studio 12 (VS 2013) project files.
 
 The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name.
+to specify a target platform name (architecture).
 
 For compatibility with CMake versions prior to 3.1, one may specify
 a target platform name optionally at the end of this generator name:
diff --git a/Help/generator/Visual Studio 14 2015.rst b/Help/generator/Visual Studio 14 2015.rst
index b35997a10..707caf969 100644
--- a/Help/generator/Visual Studio 14 2015.rst	
+++ b/Help/generator/Visual Studio 14 2015.rst	
@@ -4,7 +4,7 @@ Visual Studio 14 2015
 Generates Visual Studio 14 (VS 2015) project files.
 
 The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name.
+to specify a target platform name (architecture).
 
 For compatibility with CMake versions prior to 3.1, one may specify
 a target platform name optionally at the end of this generator name:
diff --git a/Help/generator/Visual Studio 15.rst b/Help/generator/Visual Studio 15.rst
index 2b9e33a15..ae456eba5 100644
--- a/Help/generator/Visual Studio 15.rst	
+++ b/Help/generator/Visual Studio 15.rst	
@@ -4,7 +4,7 @@ Visual Studio 15
 Generates Visual Studio 15 project files.
 
 The :variable:`CMAKE_GENERATOR_PLATFORM` variable may be set
-to specify a target platform name.
+to specify a target platform name (architecture).
 
 For compatibility with CMake versions prior to 3.1, one may specify
 a target platform name optionally at the end of this generator name:
diff --git a/Help/manual/OPTIONS_BUILD.txt b/Help/manual/OPTIONS_BUILD.txt
index b428a74d7..fa0e4c11b 100644
--- a/Help/manual/OPTIONS_BUILD.txt
+++ b/Help/manual/OPTIONS_BUILD.txt
@@ -66,10 +66,12 @@
  Specify platform name if supported by generator.
 
  Some CMake generators support a platform name to be given to the
- native build system to choose a compiler or SDK.  This is supported only on
- specific generators::
+ native build system to choose a compiler or SDK.  See the
+ :variable:`CMAKE_GENERATOR_PLATFORM` variable.
+ This is supported only on specific generators:
 
-   Visual Studio >= 8
+ * For :ref:`Visual Studio Generators` with VS 2005 and above this
+   specifies the target architecture.
 
  See native build system documentation for allowed platform names.