diff --git a/README.md b/README.md
index aee0b97..ac03ea0 100644
--- a/README.md
+++ b/README.md
@@ -128,7 +128,7 @@ nsols 1
   ```
   >>> 8/8/8/8/2Q5/k7/1pP5/K7 w - - >>= r >>= legal
   ↶b3-b2+ 8/8/8/8/2Q5/kp6/2P5/K7 b - - ? 0
-  ↶c3xPb2+ illegal dead 8/8/8/8/2Q5/k1p5/1PP5/K7 b - - ? 0
+  ↶c3xPb2+ illegal (unretractable) dead 8/8/8/8/2Q5/k1p5/1PP5/K7 b - - ? 0
   ↶c3xQb2+ dead 8/8/8/8/2Q5/k1p5/1QP5/K7 b - - ? 0
   ↶c3xRb2+ dead 8/8/8/8/2Q5/k1p5/1RP5/K7 b - - ? 0
   ↶c3xBb2+ dead 8/8/8/8/2Q5/k1p5/1BP5/K7 b - - ? 0
diff --git a/test/PDB.out b/test/PDB.out
index 9643f14..0f8365a 100644
--- a/test/PDB.out
+++ b/test/PDB.out
@@ -1,4 +1,4 @@
-Deadpos Analyzer version 2.3
+Deadpos Analyzer version 2.4.1
 // deadpos problems from PDB (https://pdb.dieschwalbe.de):
 // cpluscomment='deadpos'
 // 3 long cooked ones are commented out: 31, 32, 33
diff --git a/test/test-vectors.out b/test/test-vectors.out
index 2baab41..01285ec 100644
--- a/test/test-vectors.out
+++ b/test/test-vectors.out
@@ -1,4 +1,4 @@
-Deadpos Analyzer version 2.3
+Deadpos Analyzer version 2.4.1
 // Josef Jána, 1928 (Neues Grazer Tagblatt), 1 solution.
 >>> r3k3/3N4/2N5/8/1K6/8/7p/8 b q - >>= h#3 >>= legal
 h2-h1=B Nc6-b8 Bh1-b7 Nb8-a6 O-O-O Nd7-b6# 2kr4/1b1N4/N7/8/1K6/8/8/8 w - - 4 4