diff --git a/CHANGES.md b/CHANGES.md
index c52ed8a..358916d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -14,7 +14,7 @@ place only: `instructions/dev/version-parts.md` § The candidate model.
 
 ---
 
-## 10.1.0-beta.3 - 2026-10-14 - instructions/dev: Konverter-Vergleich – eigene Ableitung gegen Referenzwerkzeuge am privaten Korpus, mit Grundlinie
+## 10.1.0-beta.4 - 2026-10-14 - instructions/dev: converter-comparison nennt harness/compare/README.md als Ort der Einrichtung
 
 **Author:** Torben Nehmer
 
@@ -25,6 +25,7 @@ place only: `instructions/dev/version-parts.md` § The candidate model.
 
 **Low impact**
 - instructions/dev: Konverter-Vergleich – eigene Ableitung gegen Referenzwerkzeuge am privaten Korpus, mit Grundlinie
+- instructions/dev: converter-comparison nennt harness/compare/README.md als Ort der Einrichtung
 <!-- /wikitool:bumps -->
 
 ### Konverter-Tests gegen echte Dokumente im privaten Repository
diff --git a/VERSION b/VERSION
index 34befc4..164ecff 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-10.1.0-beta.3
+10.1.0-beta.4
diff --git a/instructions/dev/converter-comparison.md b/instructions/dev/converter-comparison.md
index c196190..b21e3c4 100644
--- a/instructions/dev/converter-comparison.md
+++ b/instructions/dev/converter-comparison.md
@@ -15,7 +15,7 @@ and struck through 190 single letters along the grid lines of rotated table page
 The comparison runs in the private repository `chemenu-testfiles` (cloned into `testfiles/`,
 [dev-setup.md](dev-setup.md) step 6): `harness/compare/compare.py` derives every corpus file with
 this checkout's filters and with the reference tools, computes the measures, and reports the
-difference to `harness/baseline.json`. Its README has the setup and every option; this file says
+difference to `harness/baseline.json`. `harness/compare/README.md` has the setup and every option; this file says
 when to run it and what to do with the result.
 
 <!-- wikitool:toc -->
@@ -64,7 +64,7 @@ Docling is the heavy comparison for when the starting set leaves a question open
 by hand into the same environment and is not part of the routine run.
 
 **A reference tool is never a dependency of the stack.** It lives in `harness/compare/.ref-venv`,
-a throwaway environment the README builds, never in `tools/.venv` and never in
+a throwaway environment that `harness/compare/README.md` builds, never in `tools/.venv` and never in
 `tools/requirements.txt`. `compare.py` runs with `tools/.venv` (so it measures this checkout's
 filters) and starts the reference tools as a separate process.
 
@@ -98,8 +98,8 @@ the price of any wrong ones is not an improvement until the wrong ones are gone.
 
 ## Steps
 
-1. **Have the clone and the reference environment.** The README of the private repository builds
-   the environment in one command; check it is there:
+1. **Have the clone and the reference environment.** `harness/compare/README.md` builds the
+   environment in one command; check it is there:
 
    ```bash
    ls testfiles/harness/compare/.ref-venv/bin/python