--- a/toolkit/components/telemetry/docs/data/core-ping.rst
+++ b/toolkit/components/telemetry/docs/data/core-ping.rst
@@ -158,17 +158,17 @@ et al (e.g. "Tue, 01 Feb 2011 14:00:00 G
 Version history
 ---------------
 * v7: added ``sessionCount`` & ``sessionDuration``
 * v6: added ``searches``
 * v5: added ``created`` & ``tz``
 * v4: ``profileDate`` will return package install time when times.json is not available
 * v3: added ``defaultSearch``
 * v2: added ``distributionId``
-* v1: initial version
+* v1: initial version - shipped in `Fennec 45 <https://bugzilla.mozilla.org/show_bug.cgi?id=1205835>`_.
 
 Notes
 ~~~~~
 
 * ``distributionId`` (v2) actually landed after ``profileDate`` (v4) but was
   uplifted to 46, whereas ``profileDate`` landed on 47. The version numbers in
   code were updated to be increasing (bug 1264492) and the version history docs
   rearranged accordingly.