diff --git a/client/src/components/content-blocks/ContentComponent.vue b/client/src/components/content-blocks/ContentComponent.vue
index 61fd6e28..e255f1b3 100644
--- a/client/src/components/content-blocks/ContentComponent.vue
+++ b/client/src/components/content-blocks/ContentComponent.vue
@@ -92,6 +92,10 @@ export default {
 
   methods: {
     addNote(id) {
+      if (!this.parent.hasOwnProperty('__typename')) {
+        this.parent.__typename = 'ContentBlockNode';
+      }
+
       this.$store.dispatch('addNote', {
         content: id,
         type: this.parent.__typename,
diff --git a/client/src/components/instruments/FilterEntry.vue b/client/src/components/instruments/FilterEntry.vue
index 8f0a56e6..5044520e 100644
--- a/client/src/components/instruments/FilterEntry.vue
+++ b/client/src/components/instruments/FilterEntry.vue
@@ -124,11 +124,11 @@
     }
 
     &--language-communication {
-      @include filter-block($color-accent-2-dark);
+      @include filter-block($color-accent-1-dark);
     }
 
     &--society {
-      @include filter-block($color-accent-1-dark);
+      @include filter-block($color-accent-2-dark);
     }
 
     &--interdisciplinary {
diff --git a/client/src/components/instruments/InstrumentEntry.vue b/client/src/components/instruments/InstrumentEntry.vue
index ea127195..2650816c 100644
--- a/client/src/components/instruments/InstrumentEntry.vue
+++ b/client/src/components/instruments/InstrumentEntry.vue
@@ -56,19 +56,19 @@
     $root: &;
 
     &__language-communication {
-      background-color: $color-accent-2-light;
-
-      #{$root}__category {
-        color: $color-accent-2-dark;
-      }
-    }
-
-    &__society {
       background-color: $color-accent-1-light;
 
       #{$root}__category {
         color: $color-accent-1-dark;
       }
+    }
+
+    &__society {
+      background-color: $color-accent-2-light;
+
+      #{$root}__category {
+        color: $color-accent-2-dark;
+      }
 
     }
 
diff --git a/client/src/graphql/gql/queries/myActivity.gql b/client/src/graphql/gql/queries/myActivity.gql
index 46201edc..e4ec9313 100644
--- a/client/src/graphql/gql/queries/myActivity.gql
+++ b/client/src/graphql/gql/queries/myActivity.gql
@@ -5,7 +5,11 @@ query MyActivityQuery {
 	      id
         title
         contents
-        type
+        type {
+          id
+          type
+          category
+        }
         slug
 	      bookmarks {
 	        id
@@ -13,11 +17,6 @@ query MyActivityQuery {
           note {
             id
             text
-          }
-          instrument {
-            id
-            type
-            contents
           }
 	      }
 	    }
diff --git a/client/src/helpers/update-content-bookmark-mutation.js b/client/src/helpers/update-content-bookmark-mutation.js
index cedf0214..51b75574 100644
--- a/client/src/helpers/update-content-bookmark-mutation.js
+++ b/client/src/helpers/update-content-bookmark-mutation.js
@@ -8,56 +8,7 @@ const compareUuid = uuid => element => element.uuid === uuid;
 export const constructContentComponentBookmarkMutation = (uuid, bookmarked, parent, root) => {
   let mutation = {};
 
-  if (parent.__typename === 'ContentBlockNode') {
-    mutation = {
-      mutation: UPDATE_CONTENT_BOOKMARK,
-      variables: {
-        input: {
-          uuid,
-          contentBlock: root,
-          bookmarked
-        }
-      },
-      update: (store, response) => {
-        const query = CONTENT_BLOCK_QUERY;
-        const variables = {id: root};
-        const data = store.readQuery({
-          query,
-          variables
-        });
-
-        const bookmarks = data.contentBlock.bookmarks;
-
-        if (bookmarked) {
-          bookmarks.push({
-            note: null,
-            uuid,
-            __typename: 'ContentBlockBookmarkNode'
-          });
-        } else {
-          let index = bookmarks.findIndex(compareUuid(uuid));
-          if (index > -1) {
-            bookmarks.splice(index, 1);
-          }
-        }
-
-        data.contentBlock.bookmarks = bookmarks;
-
-        store.writeQuery({
-          data,
-          query,
-          variables
-        });
-      },
-      optimisticResponse: {
-        __typename: 'Mutation',
-        updateContentBookmark: {
-          __typename: 'UpdateContentBookmarkPayload',
-          success: true
-        }
-      }
-    };
-  } else {
+  if (parent.__typename === 'InstrumentNode') {
     mutation = {
       mutation: UPDATE_INSTRUMENT_BOOKMARK,
       variables: {
@@ -106,6 +57,55 @@ export const constructContentComponentBookmarkMutation = (uuid, bookmarked, pare
         }
       }
     };
+  } else {
+    mutation = {
+      mutation: UPDATE_CONTENT_BOOKMARK,
+      variables: {
+        input: {
+          uuid,
+          contentBlock: root,
+          bookmarked
+        }
+      },
+      update: (store, response) => {
+        const query = CONTENT_BLOCK_QUERY;
+        const variables = {id: root};
+        const data = store.readQuery({
+          query,
+          variables
+        });
+
+        const bookmarks = data.contentBlock.bookmarks;
+
+        if (bookmarked) {
+          bookmarks.push({
+            note: null,
+            uuid,
+            __typename: 'ContentBlockBookmarkNode'
+          });
+        } else {
+          let index = bookmarks.findIndex(compareUuid(uuid));
+          if (index > -1) {
+            bookmarks.splice(index, 1);
+          }
+        }
+
+        data.contentBlock.bookmarks = bookmarks;
+
+        store.writeQuery({
+          data,
+          query,
+          variables
+        });
+      },
+      optimisticResponse: {
+        __typename: 'Mutation',
+        updateContentBookmark: {
+          __typename: 'UpdateContentBookmarkPayload',
+          success: true
+        }
+      }
+    };
   }
   return mutation;
 };
diff --git a/server/assignments/schema/queries.py b/server/assignments/schema/queries.py
index ae25ddf2..83c12822 100644
--- a/server/assignments/schema/queries.py
+++ b/server/assignments/schema/queries.py
@@ -1,7 +1,6 @@
 from graphene import relay
 from graphene_django.filter import DjangoFilterConnectionField
 
-from assignments.models import StudentSubmission
 from assignments.schema.types import AssignmentNode, StudentSubmissionNode
 
 
diff --git a/server/assignments/tests/test_myassignments.py b/server/assignments/tests/test_myassignments.py
index ff9399fe..b7a4e205 100644
--- a/server/assignments/tests/test_myassignments.py
+++ b/server/assignments/tests/test_myassignments.py
@@ -1,12 +1,3 @@
-# -*- coding: utf-8 -*-
-#
-# ITerativ GmbH
-# http://www.iterativ.ch/
-#
-# Copyright (c) 2019 ITerativ GmbH. All rights reserved.
-#
-# Created on 2019-04-11
-# @author: chrigu <christian.cueni@iterativ.ch>
 from django.conf import settings
 import json
 
@@ -119,6 +110,29 @@ class MyAssignemntsText(DefaultUserTestCase):
                       }
                     }
                   }
+                  myInstrumentActivity {
+                      edges {
+                        node {
+                          id
+                        title
+                        contents
+                        type {
+                          id
+                          type
+                          category
+                        }
+                        slug
+                          bookmarks {
+                            id
+                          uuid
+                          note {
+                            id
+                            text
+                          }
+                          }
+                        }
+                      }
+                    }
                 }
 
                 '''
diff --git a/server/notes/mutations.py b/server/notes/mutations.py
index f6ec80ef..91da6a30 100644
--- a/server/notes/mutations.py
+++ b/server/notes/mutations.py
@@ -80,7 +80,7 @@ class AddNote(relay.ClientIDMutation):
                     user=user
                 )
             else:
-                instrument  = BasicKnowledge.objects.get(slug=content_block_id)
+                instrument = BasicKnowledge.objects.get(slug=content_block_id)
                 bookmark = InstrumentBookmark.objects.get(
                     instrument=instrument,
                     uuid=content_uuid,