diff --git a/CHANGELOG b/CHANGELOG
index 33c902e55..f94f21201 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -36,6 +36,7 @@ Motions:
 - Added config value for pagenumber alignment in PDF [#3327].
 - Bugfix: Several bugfixes regarding splitting list items in
   change recommendations [#3288]
+- Added inline Editing for motion reason [#3361].
 
 Users:
 - User without permission to see users can now see agenda item speakers,
diff --git a/openslides/motions/static/js/motions/site.js b/openslides/motions/static/js/motions/site.js
index b60cd3717..f6bb8403d 100644
--- a/openslides/motions/static/js/motions/site.js
+++ b/openslides/motions/static/js/motions/site.js
@@ -1214,7 +1214,7 @@ angular.module('OpenSlidesApp.motions.site', [
                 $scope.setProjectionMode($scope.projectionModes[0]);
             }
             if ($scope.change_recommendations.length > 0) {
-                $scope.inlineEditing.disable();
+                $scope.disableMotionInlineEditing();
             }
         });
         $scope.$watch(function () {
@@ -1313,7 +1313,7 @@ angular.module('OpenSlidesApp.motions.site', [
         // open edit dialog
         $scope.openDialog = function (motion) {
             if ($scope.inlineEditing.active) {
-                $scope.inlineEditing.disable();
+                $scope.disableMotionInlineEditing();
             }
             ngDialog.open(MotionForm.getDialog(motion));
         };
@@ -1428,6 +1428,7 @@ angular.module('OpenSlidesApp.motions.site', [
         $scope.showVersion = function (version) {
             $scope.version = version.id;
             $scope.inlineEditing.setVersion(motion, version.id);
+            $scope.reasonInlineEditing.setVersion(motion, version.id);
             $scope.createChangeRecommendation.setVersion(motion, version.id);
         };
         // permit specific version
@@ -1483,18 +1484,51 @@ angular.module('OpenSlidesApp.motions.site', [
                     Config.get('motions_allow_disable_versioning').value);
             }
         );
+        $scope.reasonInlineEditing = MotionInlineEditing.createInstance($scope, motion,
+            'reason-inline-editor', true,
+            function (obj) {
+                return motion.getReason($scope.version);
+            },
+            function (obj) {
+                motion.reason = obj.editor.getData();
+                motion.disable_versioning = (obj.trivialChange &&
+                    Config.get('motions_allow_disable_versioning').value);
+            }
+        );
         // Wrapper functions for $scope.inlineEditing, to warn other users.
         var editingStoppedCallback;
         $scope.enableMotionInlineEditing = function () {
             editingStoppedCallback = EditingWarning.editingStarted('motion_update_' + motion.id);
+            if ($scope.motion.getReason($scope.version)) {
+                $scope.reasonInlineEditing.enable();
+            }
             $scope.inlineEditing.enable();
         };
         $scope.disableMotionInlineEditing = function () {
             if (editingStoppedCallback) {
                 editingStoppedCallback();
             }
+            if ($scope.motion.getReason($scope.version)) {
+                $scope.reasonInlineEditing.disable();
+            }
             $scope.inlineEditing.disable();
         };
+        $scope.textReasonSaveToolbarVisible = function () {
+            return ($scope.inlineEditing.changed && $scope.inlineEditing.active) ||
+                ($scope.reasonInlineEditing.changed && $scope.reasonInlineEditing.active);
+        };
+        $scope.textReasonSave = function () {
+            if ($scope.motion.getReason($scope.version)) {
+                $scope.reasonInlineEditing.save();
+            }
+            $scope.inlineEditing.save();
+        };
+        $scope.textReasonRevert = function () {
+            if ($scope.motion.getReason($scope.version)) {
+                $scope.reasonInlineEditing.revert();
+            }
+            $scope.inlineEditing.revert();
+        };
         $scope.commentsInlineEditing = MotionCommentsInlineEditing.createInstances($scope, motion);
         $scope.personalNoteInlineEditing = MotionInlineEditing.createInstance($scope, motion,
             'personal-note-inline-editor', false,
diff --git a/openslides/motions/static/templates/motions/motion-detail.html b/openslides/motions/static/templates/motions/motion-detail.html
index a04d3d7c2..4419aae11 100644
--- a/openslides/motions/static/templates/motions/motion-detail.html
+++ b/openslides/motions/static/templates/motions/motion-detail.html
@@ -482,7 +482,9 @@
       <!-- reason -->
       <div ng-if="motion.getReason(version) != ''">
         <h3 translate>Reason</h3>
-        <div ng-bind-html="motion.getReason(version) | trusted"></div>
+        <div id="reason-inline-editor" ng-bind-html="motion.getReason(version) | trusted"
+          contenteditable="{{ reasonInlineEditing.isEditable }}">
+        </div>
       </div>
 
       <!-- attachments -->
diff --git a/openslides/motions/static/templates/motions/motion-detail/view-original.html b/openslides/motions/static/templates/motions/motion-detail/view-original.html
index 71562463e..1fa945561 100644
--- a/openslides/motions/static/templates/motions/motion-detail/view-original.html
+++ b/openslides/motions/static/templates/motions/motion-detail/view-original.html
@@ -4,12 +4,12 @@
       class="motion-text motion-text-original line-numbers-{{ lineNumberMode }}"
       contenteditable="{{ inlineEditing.isEditable }}">
     </div>
-    <div class="motion-save-toolbar" ng-class="{ 'visible': (inlineEditing.changed && inlineEditing.active) }">
-        <div class="changed-hint" translate>The text has been changed.</div>
-        <button type="button" ng-click="inlineEditing.save()" class="btn btn-primary" translate>
+    <div class="motion-save-toolbar" ng-class="{ 'visible': textReasonSaveToolbarVisible() }">
+        <div class="changed-hint" translate>The text or reason have been changed.</div>
+        <button type="button" ng-click="textReasonSave()" class="btn btn-primary" translate>
             Save
         </button>
-        <button type="button" ng-click="inlineEditing.revert()" class="btn btn-default" translate>
+        <button type="button" ng-click="textReasonRevert()" class="btn btn-default" translate>
             Revert
         </button>
         <label ng-if="motion.state.versioning && config('motions_allow_disable_versioning')">