diff --git a/man/ttyd.1 b/man/ttyd.1
index a772d50..cc49f3a 100644
--- a/man/ttyd.1
+++ b/man/ttyd.1
@@ -91,6 +91,10 @@ Cross platform: macOS, Linux, FreeBSD/OpenBSD, OpenWrt/LEDE, Windows
 \-I, \-\-index <index file>
       Custom index.html path
 
+.PP
+\-b, \-\-base\-path
+      Expected base path for requests coming from a reverse proxy (eg: /mounted/here)
+
 .PP
 \-6, \-\-ipv6
       Enable IPv6 support
diff --git a/man/ttyd.man.md b/man/ttyd.man.md
index 7d7ed29..e963d43 100644
--- a/man/ttyd.man.md
+++ b/man/ttyd.man.md
@@ -63,6 +63,9 @@ ttyd 1 "September 2016" ttyd "User Manual"
 
   -I, --index <index file>
       Custom index.html path
+  
+  -b, --base-path
+      Expected base path for requests coming from a reverse proxy (eg: /mounted/here)
 
   -6, --ipv6
       Enable IPv6 support