Import l10n.

Author: mozilla-l10n-automation-bot

components/ui/tabcounter/src/main/res/values-sl/strings.xml

@@ -10,4 +10,6 @@
     <string name="mozac_browser_menu_new_private_tab">Nov zasebni zavihek</string>
     <!-- Browser menu button to close tab. Closes the current session when pressed. -->
     <string name="mozac_close_tab">Zapri zavihek</string>
-    </resources>
+    <!-- Content description of the tab counter toolbar button -->
+    <string name="mozac_tab_counter_content_description">Gumb števca zavihkov v orodni vrstici.</string>
+</resources>