diff --git a/Dev.md b/Dev.md
index a37ab95..089f94f 100644
--- a/Dev.md
+++ b/Dev.md
@@ -59,6 +59,7 @@ Views into the process of Tahoe-LAFS hackery.
     * <https://tahoe-lafs.org/pipermail/tahoe-dev/2013-April/008165.html>
     * <https://tahoe-lafs.org/pipermail/tahoe-dev/2013-July/008579.html>
   * The [logging system](https://tahoe-lafs.org/trac/tahoe-lafs/browser/trunk/docs/logging.rst)
+  * How to differentiate your running nodes' versions? See comments: [/tahoe-lafs/trac-2024-07-25/issues/9599](/tahoe-lafs/trac-2024-07-25/issues/9599)#comment:8
 
 ### Cool New Ideas We're Working On
  * [Ostrom](Ostrom) is about how social networking and economics interact with distributed storage