diff --git a/Help/variable/CMAKE_HOST_WIN32.rst b/Help/variable/CMAKE_HOST_WIN32.rst
index 0e4c891a91..876b34c3a3 100644
--- a/Help/variable/CMAKE_HOST_WIN32.rst
+++ b/Help/variable/CMAKE_HOST_WIN32.rst
@@ -1,6 +1,6 @@
 CMAKE_HOST_WIN32
 ----------------
 
-``True`` on Windows systems, including Win64.
+``True`` if the host system is running Windows, including Windows 64-bit and MSYS.
 
-Set to ``true`` when the host system is Windows and on Cygwin.
+Set to ``false`` on Cygwin.