--- a/toolkit/components/telemetry/docs/core-ping.rst
+++ b/toolkit/components/telemetry/docs/core-ping.rst
@@ -103,12 +103,20 @@ all of the following events occur:
 #. The package install date could not be persisted to disk
 
 The reason we don't just return the package install time even if the date could
 not be persisted to disk is to ensure the value doesn't change once we start
 sending it: we only want to send consistent values.
 
 Version history
 ---------------
-* v4: added ``distributionId``
-* v3: ``profileDate`` will return package install time when times.json is not available
-* v2: added ``defaultSearch``
+* v4: ``profileDate`` will return package install time when times.json is not available
+* v3: added ``defaultSearch``
+* v2: added ``distributionId``
 * v1: initial version
+
+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.