diff --git a/app/corpora/routes.py b/app/corpora/routes.py
index 274eebfb..5d1b1a41 100644
--- a/app/corpora/routes.py
+++ b/app/corpora/routes.py
@@ -15,7 +15,7 @@ from flask_login import current_user, login_required
 from threading import Thread
 import os
 from .decorators import corpus_follower_permission_required, corpus_owner_or_admin_required
-from app import db
+from app import db, hashids
 from app.models import (
     Corpus,
     CorpusFile,
@@ -67,6 +67,7 @@ def add_corpus_followers(corpus_id):
 @bp.route('/<hashid:corpus_id>/follow/<token>')
 @login_required
 def follow_corpus(corpus_id, token):
+    corpus = Corpus.query.get_or_404(corpus_id)
     if current_user.follow_corpus_by_token(token):
         db.session.commit()
         flash(f'You are following {corpus.title} now', category='corpus')
@@ -89,20 +90,8 @@ def unfollow_corpus(corpus_id, follower_id):
     return '', 204
 
 
-@bp.route('/<hashid:corpus_id>/unfollow', methods=['POST'])
-@login_required
-def current_user_unfollow_corpus(corpus_id):
-    corpus = Corpus.query.get_or_404(corpus_id)
-    if not current_user.is_following_corpus(corpus):
-        abort(409)  # 'You are not following the corpus'
-    current_user.unfollow_corpus(corpus)
-    db.session.commit()
-    flash(f'You are not following {corpus.title} anymore', category='corpus')
-    return '', 204
-
-
 @bp.route('/<hashid:corpus_id>/followers/<hashid:follower_id>/role', methods=['POST'])
-@corpus_follower_permission_required('REMOVE_FOLLOWER', 'UPDATE_FOLLOWER')
+@corpus_follower_permission_required('UPDATE_FOLLOWER')
 def add_permission(corpus_id, follower_id):
     corpus_follower_association = CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=follower_id).first_or_404()
     if not (corpus_follower_association.corpus.user == current_user or current_user.is_administrator()):
@@ -187,11 +176,12 @@ def corpus(corpus_id):
 @login_required
 @corpus_follower_permission_required('GENERATE_SHARE_LINK')
 def generate_corpus_share_link(corpus_id):
+    corpus_hashid = hashids.encode(corpus_id)
     data = request.get_json('data')
-    role = data['role']
+    role_name = data['role']
     exp_data = data['expiration']
     expiration = datetime.strptime(exp_data, '%b %d, %Y')
-    token = current_user.generate_follow_corpus_token(corpus_id, role, expiration)
+    token = current_user.generate_follow_corpus_token(corpus_hashid, role_name, expiration)
     link = url_for('corpora.follow_corpus', corpus_id=corpus_id, token=token, _external=True)
     return link
 
diff --git a/app/templates/corpora/analyse_corpus.concordance.html.j2 b/app/templates/corpora/analyse_corpus.concordance.html.j2
index 56baf07d..15682431 100644
--- a/app/templates/corpora/analyse_corpus.concordance.html.j2
+++ b/app/templates/corpora/analyse_corpus.concordance.html.j2
@@ -12,6 +12,8 @@
               <a class="modal-trigger" href="#cql-tutorial-modal" style="margin-left: 40px;"><i class="material-icons" style="font-size: inherit;">help</i> Corpus Query Language tutorial</a>
               <span> | </span>
               <a class="modal-trigger" href="#tagsets-modal"><i class="material-icons" style="font-size: inherit;">info</i> Tagsets</a>
+              <span> | </span>
+              <a class="modal-trigger" href="#example-modal"><i class="material-icons" style="font-size: inherit;">info</i> Examples</a>
             </div>
             <div class="input-field col s12 m3">
               <i class="material-icons prefix">arrow_forward</i>
diff --git a/app/templates/corpora/analyse_corpus.html.j2 b/app/templates/corpora/analyse_corpus.html.j2
index 69bcfd6e..5abd96df 100644
--- a/app/templates/corpora/analyse_corpus.html.j2
+++ b/app/templates/corpora/analyse_corpus.html.j2
@@ -245,6 +245,12 @@
   </div>
 </div>
 
+<div class="modal" id="example-modal">
+  <div class="modal-content">
+    <h4>Examples</h4>
+  </div>
+</div>
+
 <div class="modal" id="concordance-query-builder">
   <div class="modal-content">
     <div>
diff --git a/app/templates/corpora/corpus.html.j2 b/app/templates/corpora/corpus.html.j2
index 299c86f8..172dac90 100644
--- a/app/templates/corpora/corpus.html.j2
+++ b/app/templates/corpora/corpus.html.j2
@@ -166,7 +166,7 @@
           <i class="material-icons prefix">badge</i>
           <select id="share-link-modal-corpus-follower-role-select">
             {% for corpus_follower_role in corpus_follower_roles %}
-            <option value="{{ corpus_follower_role.hashid }}">{{ corpus_follower_role.name }}</option>
+            <option value="{{ corpus_follower_role.name }}">{{ corpus_follower_role.name }}</option>
             {% endfor %}
           </select>
           <label>Role</label>
diff --git a/app/templates/corpora/public_corpus.html.j2 b/app/templates/corpora/public_corpus.html.j2
index 1f73cf9d..41f5798b 100644
--- a/app/templates/corpora/public_corpus.html.j2
+++ b/app/templates/corpora/public_corpus.html.j2
@@ -111,7 +111,7 @@
   let unfollowRequestElement = document.querySelector('.action-button[data-action="unfollow-request"]');
   unfollowRequestElement.addEventListener('click', () => {
     return new Promise((resolve, reject) => {
-      fetch('{{ url_for("corpora.current_user_unfollow_corpus", corpus_id=corpus.id) }}', {method: 'POST', headers: {Accept: 'application/json'}})
+      fetch('{{ url_for("corpora.unfollow_corpus", corpus_id=corpus.id, follower_id=current_user.id) }}', {method: 'POST', headers: {Accept: 'application/json'}})
         .then(
           (response) => {
             if (response.status === 403) {app.flash('Forbidden', 'error'); reject(response);}