diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst
index 4e24823cf..1f6698b4f 100644
--- a/Help/manual/cmake-variables.7.rst
+++ b/Help/manual/cmake-variables.7.rst
@@ -64,6 +64,7 @@ Variables that Provide Information
    /variable/CMAKE_STANDARD_LIBRARIES
    /variable/CMAKE_STATIC_LIBRARY_PREFIX
    /variable/CMAKE_STATIC_LIBRARY_SUFFIX
+   /variable/CMAKE_TOOLCHAIN_FILE
    /variable/CMAKE_TWEAK_VERSION
    /variable/CMAKE_VERBOSE_MAKEFILE
    /variable/CMAKE_VERSION
diff --git a/Help/variable/CMAKE_LANG_COMPILER_EXTERNAL_TOOLCHAIN.rst b/Help/variable/CMAKE_LANG_COMPILER_EXTERNAL_TOOLCHAIN.rst
index 86c0b0e42..033998d0c 100644
--- a/Help/variable/CMAKE_LANG_COMPILER_EXTERNAL_TOOLCHAIN.rst
+++ b/Help/variable/CMAKE_LANG_COMPILER_EXTERNAL_TOOLCHAIN.rst
@@ -10,4 +10,4 @@ may be set to a path to a path to the external toolchain and will be passed
 to the compiler driver if supported.
 
 This variable may only be set in a toolchain file specified by
-the ``CMAKE_TOOLCHAIN_FILE`` variable.
+the :variable:`CMAKE_TOOLCHAIN_FILE` variable.
diff --git a/Help/variable/CMAKE_LANG_COMPILER_TARGET.rst b/Help/variable/CMAKE_LANG_COMPILER_TARGET.rst
index 7c8efee9b..656c57d2b 100644
--- a/Help/variable/CMAKE_LANG_COMPILER_TARGET.rst
+++ b/Help/variable/CMAKE_LANG_COMPILER_TARGET.rst
@@ -8,4 +8,4 @@ QNX qcc. These compiler drivers support a command-line argument to specify
 the target to cross-compile for.
 
 This variable may only be set in a toolchain file specified by
-the ``CMAKE_TOOLCHAIN_FILE`` variable.
+the :variable:`CMAKE_TOOLCHAIN_FILE` variable.
diff --git a/Help/variable/CMAKE_SYSROOT.rst b/Help/variable/CMAKE_SYSROOT.rst
index e42e63a22..7aa04506c 100644
--- a/Help/variable/CMAKE_SYSROOT.rst
+++ b/Help/variable/CMAKE_SYSROOT.rst
@@ -9,4 +9,4 @@ necessary on installation.  The ``CMAKE_SYSROOT`` is also used to prefix
 paths searched by the ``find_*`` commands.
 
 This variable may only be set in a toolchain file specified by
-the ``CMAKE_TOOLCHAIN_FILE`` variable.
+the :variable:`CMAKE_TOOLCHAIN_FILE` variable.
diff --git a/Help/variable/CMAKE_TOOLCHAIN_FILE.rst b/Help/variable/CMAKE_TOOLCHAIN_FILE.rst
new file mode 100644
index 000000000..e1a65e12b
--- /dev/null
+++ b/Help/variable/CMAKE_TOOLCHAIN_FILE.rst
@@ -0,0 +1,9 @@
+CMAKE_TOOLCHAIN_FILE
+--------------------
+
+Path to toolchain file supplied to :manual:`cmake(1)`.
+
+This variable is specified on the command line when cross-compiling with CMake.
+It is the path to a file which is read early in the CMake run and which specifies
+locations for compilers and toolchain utilities, and other target platform and
+compiler related information.