diff --git a/Base/usr/share/man/man2/mount.md b/Base/usr/share/man/man2/mount.md
index 5f7b6db461..9953b2dbb4 100644
--- a/Base/usr/share/man/man2/mount.md
+++ b/Base/usr/share/man/man2/mount.md
@@ -37,6 +37,7 @@ The following `flags` are supported:
 * `MS_BIND`: Perform a bind-mount (see below).
 * `MS_RDONLY`: Mount the filesystem read-only.
 * `MS_REMOUNT`: Remount an already mounted filesystem (see below).
+* `MS_WXALLOWED`: Allow W^X protection circumvention for executables on this file system.
 
 These flags can be used as a security measure to limit the possible abuses of the newly
 mounted file system.