diff --git a/doc/path-spec.txt b/doc/path-spec.txt
index 45777a8dfb..77c0da2590 100644
--- a/doc/path-spec.txt
+++ b/doc/path-spec.txt
@@ -49,7 +49,8 @@ of their choices.
 
    A "clean" circuit is one that has not yet been used for any traffic.
 
-   A "fast" or "stable" node is one that has the 'Fast' or 'Stable' flag
+   A "fast" or "stable" or "valid" node is one that has the 'Fast' or
+   'Stable' or 'Valid' flag
    set respectively, based on our current directory information.  A "fast"
    or "stable" circuit is one consisting only of "fast" or "stable" nodes.