diff --git a/.doorstop.yml b/.doorstop.yml
index fecac25..47d1600 100644
--- a/.doorstop.yml
+++ b/.doorstop.yml
@@ -1,10 +1,10 @@
-# Doorstop-Konfiguration fuer demo-epb
+# Doorstop configuration for demo-epb
 #
-# Bidirektionale Traceability:
-#   SYS-XXX -> SA-XXX  (System-Anforderung wird durch System-Arch abgedeckt)
-#   SA-XXX  -> SWE-XXX (System-Arch verfeinert auf Software-Anforderung)
-#   SWE-XXX -> SWA-XXX (Software-Anforderung wird durch Software-Arch abgedeckt)
-#   SWA-XXX -> Code   (via @arch Tag im Quellcode)
+# Bidirectional traceability:
+#   SYS-XXX -> SA-XXX  (system requirement covered by system arch)
+#   SA-XXX  -> SWE-XXX (system arch refined to software requirement)
+#   SWE-XXX -> SWA-XXX (software requirement covered by software arch)
+#   SWA-XXX -> Code    (via @arch tag in source code)
 
 settings:
   digits: 3
diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 827c0e1..4ca6bff 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -130,11 +130,11 @@ jobs:
 
           - All 46 unit tests green (Linux runner required)
           - Coverage measured with gcov/lcov
-          - Statische Analyse mit Cppcheck (0 Findings)
+          - Static analysis with Cppcheck (0 findings)
           - MISRA C:2012 compliance confirmed (1 Advisory deviation)
-          - Traceability verified bidirectionally (50 Items)
+          - Traceability verified bidirectionally (50 items)
 
-          ## Referenzen
+          ## References
 
           - Methodology: https://gitea.slohmaier.com/slohmaier/dev-process
           - Commit: ${{ github.sha }}
@@ -177,7 +177,7 @@ jobs:
         run: |
           DEPLOY=/var/www/pages/demo-epb
           if [ ! -d "$DEPLOY" ]; then
-            echo "Mount $DEPLOY nicht da — Runner-Config pruefen. Skip."
+            echo "Mount $DEPLOY missing - check runner config. Skip."
             exit 0
           fi
           BUNDLE="release/demo-epb-${TAG}"
diff --git a/Doxyfile b/Doxyfile
index 6fd3363..32f528c 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1,4 +1,4 @@
-# Minimal Doxygen-Konfiguration fuer demo-epb
+# Minimal Doxygen configuration for demo-epb
 # Generiert HTML-API-Dokumentation aus src/
 
 PROJECT_NAME           = "demo-epb"
diff --git a/src/stubs/diag_manager.h b/src/stubs/diag_manager.h
index ed9a8a1..14b78df 100644
--- a/src/stubs/diag_manager.h
+++ b/src/stubs/diag_manager.h
@@ -1,6 +1,6 @@
 /**
  * @file diag_manager.h
- * @brief UDS-Diagnose nach ISO 14229.
+ * @brief UDS diagnostics per ISO 14229.
  *
  * @arch SWA-008
  * @reqs SWE-018 SWE-019
diff --git a/src/stubs/display_manager.h b/src/stubs/display_manager.h
index b75ceea..2199cbc 100644
--- a/src/stubs/display_manager.h
+++ b/src/stubs/display_manager.h
@@ -1,6 +1,6 @@
 /**
  * @file display_manager.h
- * @brief LED + CAN-Status-Frame Steuerung.
+ * @brief LED + CAN status frame control.
  *
  * @arch SWA-007
  * @reqs SWE-020 SWE-021
diff --git a/src/stubs/inclinometer.h b/src/stubs/inclinometer.h
index 63c2945..044d2e6 100644
--- a/src/stubs/inclinometer.h
+++ b/src/stubs/inclinometer.h
@@ -1,6 +1,6 @@
 /**
  * @file inclinometer.h
- * @brief Inclinometer-Tiefpass-Filter.
+ * @brief Inclinometer low-pass filter.
  *
  * @arch SWA-005
  * @reqs SWE-024
diff --git a/src/stubs/logger.h b/src/stubs/logger.h
index 3e1a5e1..f340889 100644
--- a/src/stubs/logger.h
+++ b/src/stubs/logger.h
@@ -1,6 +1,6 @@
 /**
  * @file logger.h
- * @brief Logger — Ringpuffer + EEPROM-Persistenz.
+ * @brief Logger - ring buffer + EEPROM persistence.
  *
  * @arch SWA-010
  *
diff --git a/src/stubs/service_mode.h b/src/stubs/service_mode.h
index 4ae7d10..a84c5cf 100644
--- a/src/stubs/service_mode.h
+++ b/src/stubs/service_mode.h
@@ -1,6 +1,6 @@
 /**
  * @file service_mode.h
- * @brief Service-Modus fuer Werkstatt (Bremsbelag-Wechsel).
+ * @brief Service mode for workshop (brake-pad change).
  *
  * @arch SWA-009
  * @reqs SWE-016 SWE-017
diff --git a/src/stubs/wheel_speed_plausi.h b/src/stubs/wheel_speed_plausi.h
index c448206..6110569 100644
--- a/src/stubs/wheel_speed_plausi.h
+++ b/src/stubs/wheel_speed_plausi.h
@@ -1,6 +1,6 @@
 /**
  * @file wheel_speed_plausi.h
- * @brief Wheel-Speed-Plausibilisierung + Stillstands-Erkennung.
+ * @brief Wheel-speed plausibility + standstill detection.
  *
  * @arch SWA-004
  * @reqs SWE-022 SWE-023
diff --git a/tests/unit/test_safety_manager.c b/tests/unit/test_safety_manager.c
index 9b6d6e5..c6e7a33 100644
--- a/tests/unit/test_safety_manager.c
+++ b/tests/unit/test_safety_manager.c
@@ -205,7 +205,7 @@ static void test_hillhold_armed_to_idle_if_grade_drops(void)
     TEST_END();
 }
 
-/* ---- Mutually exclusive: nicht in beiden Modi gleichzeitig ---- */
+/* ---- Mutually exclusive: never in both modes at once ---- */
 
 /* ---- Drive-Away-Assist (SWE-011 + SWE-012) ---- */
 
diff --git a/tests/unit_test_framework.h b/tests/unit_test_framework.h
index d66b836..ffc07de 100644
--- a/tests/unit_test_framework.h
+++ b/tests/unit_test_framework.h
@@ -1,10 +1,10 @@
 /**
  * @file unit_test_framework.h
- * @brief Minimaler Test-Runner fuer demo-epb.
+ * @brief Minimal test runner for demo-epb.
  *
- * In Produktion wuerde hier CppUTest oder Google Test stehen
- * (siehe docs/SWE-Plan.docx, Abschnitt 7). Fuer die Demo
- * bleibt das Framework klein, damit es ohne externe Abhaengigkeiten baut.
+ * In production CppUTest or Google Test would go here
+ * (see docs/SWE-Plan.docx, section 7). For the demo, the framework
+ * stays small so it builds without external dependencies.
  */
 #ifndef UNIT_TEST_FRAMEWORK_H
 #define UNIT_TEST_FRAMEWORK_H
diff --git a/tools/generate_test_report.py b/tools/generate_test_report.py
index eca8f98..e3963de 100644
--- a/tools/generate_test_report.py
+++ b/tools/generate_test_report.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-Erzeugt einen Test-Summary-Report aus dem Output unserer Unit-Tests.
+Generate a test-summary report from the output of our unit tests.
 
 Reads the test-output file (build/test-output.txt) and produces:
 - build/test-report.md
diff --git a/tools/render_plantuml.py b/tools/render_plantuml.py
index 2601254..e4071d1 100644
--- a/tools/render_plantuml.py
+++ b/tools/render_plantuml.py
@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
 """
-Rendert alle @startuml ... @enduml Bloecke aus arch/**/*.md als SVG.
+Render all @startuml ... @enduml blocks from arch/**/*.md as SVG.
 
-Verwendet einen erreichbaren PlantUML-HTTP-Server (Default: www.plantuml.com).
-In CI kann die Server-URL ueber PLANTUML_SERVER ueberschrieben werden.
+Uses a reachable PlantUML HTTP server (default: www.plantuml.com).
+In CI the server URL can be overridden via PLANTUML_SERVER.
 
 Output: docs/diagrams/<file>-<index>.svg