diff --git a/webapp_admin/README.md b/webapp_admin/README.md
index 112a64e..8fffe11 100644
--- a/webapp_admin/README.md
+++ b/webapp_admin/README.md
@@ -18,6 +18,35 @@ Change free/busy to 36 months
 If you want to make a change for all users pass the --all-users parameter. Example:
 > python3 webapp_admin --all-users --icons Breeze
 
+## Signatures
+
+To restore, replace and backup signatures we need a two part, underscore separated filename consisting of `a name` and `id`.\
+
+Example single user: `this-is-my-signature_1234.html`\
+
+---
+**Note**\
+The hypens in the filename will be displayed as spaces in WebApp\
+The username can also be part of the .html file, but is then ignored by the script.
+In WebApp the ID is created based on the unix time, so the ID can be anything
+
+---
+
+Examples
+
+Backup signature for user `henk`
+> python3 webapp_admin -u henk --backup-signature
+
+Restore signature for user `henk`
+> python3 webapp_admin -u henk --restore-signature my-cool-signature_1615141312112.html
+
+Replace signature for user `henk`
+> python3 webapp_admin -u henk --replace-signature my-cool-signature_1615141312112.html
+
+Restore signatures for all users
+> python3 webapp_admin --all-users --restore-signature mycompany-signature_1412130992124.html
+
+
 # Dependencies
 
 - python3