diff --git a/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AITranslatePropertyWrapper.java b/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AITranslatePropertyWrapper.java
index 681721fe3..ef9a9ec72 100644
--- a/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AITranslatePropertyWrapper.java
+++ b/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AITranslatePropertyWrapper.java
@@ -13,6 +13,11 @@
 
 class AITranslatePropertyWrapper {
 
+    /**
+     * PageContent only property: saves the additional instructions the page was translated with.
+     */
+    public static final String PROPERTY_AI_ADDINSTRUCTIONS = "ai_additionalInstructions";
+
     /**
      * Saves the date when a resource was automatically translated.
      * Find translated resources with /content//*[@ai_translated] .
@@ -148,6 +153,9 @@ public String[] allLcKeys() {
     }
 
     public String[] allAiKeys() {
+        if (propertyName.startsWith(AI_PREFIX) || propertyName.startsWith(LC_PREFIX)) {
+            throw new IllegalArgumentException("Property name must not start with " + AI_PREFIX + " or " + LC_PREFIX + ": " + propertyName);
+        }
         return new String[]{
                 AutoPageTranslateServiceImpl.encodePropertyName(AI_PREFIX, propertyName, AI_ORIGINAL_SUFFIX),
                 AutoPageTranslateServiceImpl.encodePropertyName(AI_PREFIX, propertyName, AI_TRANSLATED_SUFFIX),
diff --git a/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImpl.java b/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImpl.java
index 74ed495c7..a6203789a 100644
--- a/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImpl.java
+++ b/aem/core/src/main/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImpl.java
@@ -85,8 +85,12 @@ public Stats translateLiveCopy(@Nonnull Resource resource, @Nullable GPTConfigur
             return stats;
         }
 
+        String additionalInstructions = configuration != null ? configuration.getAdditionalInstructions() : null;
+        String pageAdditionalInstructions = resource.getValueMap().get(AITranslatePropertyWrapper.PROPERTY_AI_ADDINSTRUCTIONS, String.class);
+        boolean additionalInstructionsChanged = !StringUtils.equals(additionalInstructions, pageAdditionalInstructions);
+
         List<PropertyToTranslate> propertiesToTranslate = new ArrayList<>();
-        boolean changed = collectPropertiesToTranslate(resource, propertiesToTranslate, stats, translationParameters);
+        boolean changed = collectPropertiesToTranslate(resource, propertiesToTranslate, stats, translationParameters, additionalInstructionsChanged);
 
         LOG.debug("Set of property names to translate in {} : {}", resource.getPath(),
                 propertiesToTranslate.stream()
@@ -133,6 +137,12 @@ public Stats translateLiveCopy(@Nonnull Resource resource, @Nullable GPTConfigur
             }
         }
 
+        if (additionalInstructionsChanged) {
+            ModifiableValueMap mvm = requireNonNull(resource.adaptTo(ModifiableValueMap.class));
+            mvm.put(AITranslatePropertyWrapper.PROPERTY_AI_ADDINSTRUCTIONS, additionalInstructions);
+            changed = true;
+        }
+
         changed |= migratePathsToLanguageCopy(resource, language, stats);
         if (changed) {
             markAsAiTranslated(resource, liveRelationshipManager.getLiveRelationship(resource, false), translationParameters);
@@ -308,11 +318,12 @@ public void rollback(Resource resource) throws WCMException {
     /**
      * Searches for properties we have to translate.
      *
+     * @param force all properties have to be retranslated
      * @return true if something was changed already
      */
     protected boolean collectPropertiesToTranslate(
             @Nonnull Resource resource, @Nonnull List<PropertyToTranslate> propertiesToTranslate, @Nonnull Stats stats,
-            @Nonnull AutoTranslateService.TranslationParameters translationParameters) throws WCMException {
+            @Nonnull AutoTranslateService.TranslationParameters translationParameters, boolean force) throws WCMException {
         boolean changed = false;
         LiveRelationship relationship = liveRelationshipManager.getLiveRelationship(resource, false);
         if (relationship == null) {
@@ -349,14 +360,14 @@ protected boolean collectPropertiesToTranslate(
                 continue; // don't touch cancelled properties
             }
 
-            if (targetWrapper.isOriginalAsWhenLastTranslating()) {
+            if (targetWrapper.isOriginalAsWhenLastTranslating() && !force) {
                 // shortcut: we have a recent translation already
                 targetWrapper.setCurrentValue(targetWrapper.getTranslatedCopy());
                 changed = changed || !StringUtils.equals(targetWrapper.getTranslatedCopy(), targetWrapper.getOriginalCopy());
                 continue;
             }
 
-            if (isCancelled && targetWrapper.hasSavedTranslation()
+            if (isCancelled && targetWrapper.hasSavedTranslation() && translationParameters.translateWhenChanged
                     && !StringUtils.equals(targetWrapper.getTranslatedCopy(), targetWrapper.getCurrentValue())
                     && !StringUtils.equals(targetWrapper.getOriginal(), targetWrapper.getCurrentValue())) {
                 // = translateWhenChanged override; save manual change. We also exclude the phase during rollout
@@ -379,7 +390,7 @@ protected boolean collectPropertiesToTranslate(
         }
         for (Resource child : resource.getChildren()) {
             if (!PATTERN_IGNORED_SUBNODE_NAMES.matcher(child.getName()).matches()) {
-                boolean childChanged = collectPropertiesToTranslate(child, propertiesToTranslate, stats, translationParameters);
+                boolean childChanged = collectPropertiesToTranslate(child, propertiesToTranslate, stats, translationParameters, force);
                 changed |= childChanged;
             }
         }
diff --git a/aem/core/src/test/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImplTest.java b/aem/core/src/test/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImplTest.java
index 93f1eba12..e4426b44b 100644
--- a/aem/core/src/test/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImplTest.java
+++ b/aem/core/src/test/java/com/composum/ai/aem/core/impl/autotranslate/AutoPageTranslateServiceImplTest.java
@@ -74,7 +74,7 @@ public void testCollectPropertiesToTranslate() throws WCMException {
         List<AutoPageTranslateServiceImpl.PropertyToTranslate> props = new java.util.ArrayList<>();
         AutoPageTranslateServiceImpl.Stats stats = new AutoPageTranslateServiceImpl.Stats();
         AutoTranslateService.TranslationParameters parms = new AutoTranslateService.TranslationParameters();
-        service.collectPropertiesToTranslate(copy, props, stats, parms);
+        service.collectPropertiesToTranslate(copy, props, stats, parms, false);
         assertEquals(2, props.size());
         assertEquals("something", props.get(0).propertyName);
         assertEquals("/content/de/jcr:content", props.get(0).targetResource.getPath());