diff --git a/README.md b/README.md
index df28a6b2..50aa23a5 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ addon | version | summary
 [web_group_expand](web_group_expand/) | 8.0.1.0.0 | Group Expand Buttons
 [web_hide_db_manager_link](web_hide_db_manager_link/) | 8.0.1.0.0 | Hide link to database manager in login screen
 [web_hideleftmenu](web_hideleftmenu/) | 8.0.1.0.0 | Hide Left Menu in Web Interface
+[web_invalid_tab](web_invalid_tab/) | 8.0.1.0.0 | Highlight tab when fields inside are invalid.
 [web_ir_actions_act_window_message](web_ir_actions_act_window_message/) | 8.0.1.0.0 | Show a message box to users
 [web_ir_actions_act_window_none](web_ir_actions_act_window_none/) | 8.0.1.0.0 | Execute nothing
 [web_ir_actions_act_window_page](web_ir_actions_act_window_page/) | 8.0.1.0.0 | Allows a developer to trigger a pager to show the previous or next next record in the form view