diff --git a/src/cluecode/copyrights.py b/src/cluecode/copyrights.py
index 6d17467acf..401bbe67dc 100644
--- a/src/cluecode/copyrights.py
+++ b/src/cluecode/copyrights.py
@@ -3288,7 +3288,10 @@ def build_detection_from_node(
     COPYRIGHT: {<COPY> <COPY> <ANDCO>}  #2841
 
     # Copyright (c) 1995-2018 The PNG Reference Library Authors. (with and without trailing dot)
-    COPYRIGHT: {<COPYRIGHT> <NN> <AUTHDOT>} #35011
+    # Copyright 2021 The logr Authors. / Copyright 2022 The JSpecify Authors.
+    # attach a trailing "Authors." even when the preceding name was already
+    # absorbed into the COPYRIGHT node (e.g. names tagged NN like "logr", "JSpecify")
+    COPYRIGHT: {<COPYRIGHT> <NN>? <AUTHDOT>} #35011
 
     ############ All right reserved in the middle ##############################