1 files changed, 1 insertions, 0 deletions

diff --git a/res/arg-help.txt b/res/arg-help.txt
index e87881d3..9f6548f2 100644
--- a/res/arg-help.txt
+++ b/res/arg-help.txt
@@ -21,3 +21,4 @@ Options that control a running instance of Lagrange:
                         running, nothing is printed.
       --new-tab [URL]   Open a new tab. If the URL is omitted, the user's
                         homepage is opened.                              
+      --tab-url         Print the URL of the active tab.