#16420: document a way to escape metacharacters in glob/fnmatch.
diff --git a/Doc/library/glob.rst b/Doc/library/glob.rst
index 3d31c11..2584361 100644
--- a/Doc/library/glob.rst
+++ b/Doc/library/glob.rst
@@ -19,6 +19,9 @@
 subshell.  (For tilde and shell variable expansion, use
 :func:`os.path.expanduser` and :func:`os.path.expandvars`.)
 
+For a literal match, wrap the meta-characters in brackets.
+For example, ``'[?]'`` matches the character ``'?'``.
+
 
 .. function:: glob(pathname)