diff --git a/doc/fd.1 b/doc/fd.1
index b5809c7..f917b12 100644
--- a/doc/fd.1
+++ b/doc/fd.1
@@ -24,6 +24,11 @@ fd \- find entries in the filesystem
 .B fd
 is a simple, fast and user-friendly alternative to
 .BR find (1).
+.P
+By default
+.B fd
+uses regular expressions for the pattern. However, this can be changed to use simple glob patterns
+with the '\-\-glob' option.
 .SH OPTIONS
 .TP
 .B \-H, \-\-hidden