Better document URLs

server/models/Document.js

@@ -9,7 +9,7 @@ import { convertToMarkdown } from '../../frontend/utils/markdown';
 import { truncateMarkdown } from '../utils/truncate';
 import Revision from './Revision';
 
-const URL_REGEX = /^[a-zA-Z0-9-]*-([a-zA-Z0-9]{10,15})$/;
+const URL_REGEX = /^[a-zA-Z0-9-]*-([a-zA-Z]{10,15})$/;
 
 slug.defaults.mode = 'rfc3986';
 const slugify = text =>
@@ -100,7 +100,7 @@ const Document = sequelize.define(
     instanceMethods: {
       getUrl() {
         const slugifiedTitle = slugify(this.title);
-        return `/d/${slugifiedTitle}-${this.urlId}`;
+        return `/${slugifiedTitle}-${this.urlId}`;
       },
       toJSON() {
         // Warning: only use for new documents as order of children is