diff --git a/pokemon_entities/templates/pokemon.html b/pokemon_entities/templates/pokemon.html
index c503b49ca..f8428a53c 100644
--- a/pokemon_entities/templates/pokemon.html
+++ b/pokemon_entities/templates/pokemon.html
@@ -13,7 +13,7 @@
   <div class="container">
     <ul class="nav" style="background-color: #e3f2fd;">
       <li class="nav-item">
-        <a class="nav-link active" href="{% url "mainpage" %}">На главную</a>
+        <a class="nav-link active" href="{% url 'mainpage' %}">На главную</a>
       </li>
     </ul>
     <div class="d-flex mt-5 row">
@@ -80,4 +80,4 @@ <h1 class="mt-5 mb-2">Карта {{pokemon.title}} в Москве</h1>
   </div>
   
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/requirements.txt b/requirements.txt
index bc5bfa689..7fd91eb1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 Django==3.1.*
 python-dotenv==0.15.*
 folium==0.11.*
-Pillow==8.0.*  # required by Windows environment
\ No newline at end of file
+Pillow==8.3.*  # required by Windows environment