diff --git a/pages/linux/terminator.md b/pages/linux/terminator.md
index b11c69d6c..ff71d1caa 100644
--- a/pages/linux/terminator.md
+++ b/pages/linux/terminator.md
@@ -1,6 +1,7 @@
 # terminator
 
 > Arrange multiple GNOME terminals in one window.
+> More information: <https://gnome-terminator.org/>.
 
 - Start terminator window:
 
diff --git a/pages/linux/timedatectl.md b/pages/linux/timedatectl.md
index 16b9c9315..2b49abf7c 100644
--- a/pages/linux/timedatectl.md
+++ b/pages/linux/timedatectl.md
@@ -1,6 +1,7 @@
 # timedatectl
 
 > Control the system time and date.
+> More information: <https://manned.org/timedatectl.1>.
 
 - Check the current system clock time:
 
diff --git a/pages/linux/tomb.md b/pages/linux/tomb.md
index 418038a18..bdd9857ac 100644
--- a/pages/linux/tomb.md
+++ b/pages/linux/tomb.md
@@ -1,6 +1,7 @@
 # tomb
 
 > Manage encrypted storage directories that can be safely transported and hidden in a filesystem.
+> More information: <https://www.dyne.org/software/tomb/>.
 
 - Create a new tomb with an initial size of 100MB: