diff --git a/development/watchman/README b/development/watchman/README
index 10ef045b50..7c2ef0fe9b 100644
--- a/development/watchman/README
+++ b/development/watchman/README
@@ -20,3 +20,7 @@ Concepts:
   current state of the tree.
 
 - You can subscribe to file changes that occur in a root.
+
+Note: this is not the latest version of watchman. Newer versions
+require newer libraries than Slackware 14.2 has, so this build can't
+be upgraded.