diff --git a/server/api/__snapshots__/auth.test.js.snap b/server/api/__snapshots__/auth.test.js.snap
index c7e602ea..2be2eba7 100644
--- a/server/api/__snapshots__/auth.test.js.snap
+++ b/server/api/__snapshots__/auth.test.js.snap
@@ -3,7 +3,7 @@
 exports[`#auth.login should login with email 1`] = `
 Object {
   "avatarUrl": "http://example.com/avatar.png",
-  "id": "86fde1d4-0050-428f-9f0b-0bf77f8bdf61",
+  "id": "46fde1d4-0050-428f-9f0b-0bf77f4bdf61",
   "name": "User 1",
   "username": "user1",
 }
@@ -12,7 +12,7 @@ Object {
 exports[`#auth.login should login with username 1`] = `
 Object {
   "avatarUrl": "http://example.com/avatar.png",
-  "id": "86fde1d4-0050-428f-9f0b-0bf77f8bdf61",
+  "id": "46fde1d4-0050-428f-9f0b-0bf77f4bdf61",
   "name": "User 1",
   "username": "user1",
 }
diff --git a/server/api/__snapshots__/user.test.js.snap b/server/api/__snapshots__/user.test.js.snap
index 6dc4de62..2f6503ac 100644
--- a/server/api/__snapshots__/user.test.js.snap
+++ b/server/api/__snapshots__/user.test.js.snap
@@ -13,7 +13,7 @@ exports[`#user.info should return known user 1`] = `
 Object {
   "data": Object {
     "avatarUrl": "http://example.com/avatar.png",
-    "id": "86fde1d4-0050-428f-9f0b-0bf77f8bdf61",
+    "id": "46fde1d4-0050-428f-9f0b-0bf77f4bdf61",
     "name": "User 1",
     "username": "user1",
   },
diff --git a/server/api/documents.test.js b/server/api/documents.test.js
index e6dd8e6a..ec477e6c 100644
--- a/server/api/documents.test.js
+++ b/server/api/documents.test.js
@@ -156,3 +156,60 @@ describe('#documents.unstar', async () => {
     expect(body).toMatchSnapshot();
   });
 });
+
+describe('#documents.update', async () => {
+  it('should update document details in the root', async () => {
+    const { user, document } = await seed();
+
+    const res = await server.post('/api/documents.update', {
+      body: {
+        token: user.getJwtToken(),
+        id: document.id,
+        title: 'Updated title',
+        text: 'Updated text',
+      },
+    });
+    const body = await res.json();
+
+    expect(res.status).toEqual(200);
+    expect(body.data.title).toBe('Updated title');
+    expect(body.data.text).toBe('Updated text');
+    expect(body.data.collection.documents[1].title).toBe('Updated title');
+  });
+
+  it('should update document details for children', async () => {
+    const { user, document, collection } = await seed();
+    collection.documentStructure = [
+      {
+        id: 'af1da94b-9591-4bab-897c-11774b804b77',
+        url: '/d/some-beef-RSZwQDsfpc',
+        title: 'some beef',
+        children: [
+          {
+            id: 'ab1da94b-9591-4bab-897c-11774b804b66',
+            url: '/d/another-doc-RSZwQDsfpc',
+            title: 'Another doc',
+            children: [],
+          },
+          { ...document.toJSON(), children: [] },
+        ],
+      },
+    ];
+    await collection.save();
+
+    const res = await server.post('/api/documents.update', {
+      body: {
+        token: user.getJwtToken(),
+        id: document.id,
+        title: 'Updated title',
+      },
+    });
+    const body = await res.json();
+
+    expect(res.status).toEqual(200);
+    expect(body.data.title).toBe('Updated title');
+    expect(body.data.collection.documents[0].children[1].title).toBe(
+      'Updated title'
+    );
+  });
+});
diff --git a/server/models/Collection.js b/server/models/Collection.js
index e19befe4..953a57ae 100644
--- a/server/models/Collection.js
+++ b/server/models/Collection.js
@@ -119,35 +119,25 @@ const Collection = sequelize.define(
         return this;
       },
 
-      async updateDocument(document) {
+      async updateDocument(updatedDocument) {
         if (!this.documentStructure) return;
+        const { id } = updatedDocument;
 
-        const updateChildren = (children, document) => {
-          const id = document.id;
-
-          if (_.find(children, { id })) {
-            children = children.map(childDocument => {
-              if (childDocument.id === id) {
-                childDocument = {
-                  ...document.toJSON(),
-                  children: childDocument.children,
-                };
-              }
-              return childDocument;
-            });
-          } else {
-            children = children.map(childDocument => {
-              return updateChildren(childDocument.children, id);
-            });
-          }
-          return children;
+        const updateChildren = documents => {
+          return documents.map(document => {
+            if (document.id === id) {
+              document = {
+                ...updatedDocument.toJSON(),
+                children: document.children,
+              };
+            } else {
+              document.children = updateChildren(document.children);
+            }
+            return document;
+          });
         };
 
-        this.documentStructure = updateChildren(
-          this.documentStructure,
-          document
-        );
-
+        this.documentStructure = updateChildren(this.documentStructure);
         await this.save();
         return this;
       },
diff --git a/server/test/support.js b/server/test/support.js
index 0b26003d..128ede92 100644
--- a/server/test/support.js
+++ b/server/test/support.js
@@ -23,7 +23,7 @@ const seed = async () => {
   });
 
   const user = await User.create({
-    id: '86fde1d4-0050-428f-9f0b-0bf77f8bdf61',
+    id: '46fde1d4-0050-428f-9f0b-0bf77f4bdf61',
     email: 'user1@example.com',
     username: 'user1',
     name: 'User 1',
@@ -36,8 +36,8 @@ const seed = async () => {
     },
   });
 
-  const collection = await Collection.create({
-    id: '86fde1d4-0050-428f-9f0b-0bf77f8bdf61',
+  let collection = await Collection.create({
+    id: '26fde1d4-0050-428f-9f0b-0bf77f8bdf62',
     name: 'Collection',
     urlId: 'collection',
     teamId: team.id,
@@ -45,16 +45,17 @@ const seed = async () => {
     type: 'atlas',
   });
 
-  const document = await Document.create({
+  let document = await Document.create({
     parentDocumentId: null,
     atlasId: collection.id,
     teamId: collection.teamId,
     userId: collection.creatorId,
     lastModifiedById: collection.creatorId,
     createdById: collection.creatorId,
-    title: 'Introduction',
-    text: '# Introduction\n\nLets get started...',
+    title: 'Second document',
+    text: '# Much guidance',
   });
+  collection = await collection.addDocumentToStructure(document);
 
   return {
     user,