diff --git a/.idea/modules.xml b/.idea/modules.xml
index dea7eb1556ba6c1847d4914a9ab84f3e30aa2905..dfea16ff8e1e7177bf23ca639995803556600378 100755
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -3,7 +3,6 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/.idea/school-apps.iml" filepath="$PROJECT_DIR$/.idea/school-apps.iml" />
-      <module fileurl="file://$PROJECT_DIR$/.idea/school-apps.iml" filepath="$PROJECT_DIR$/.idea/school-apps.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 35eb1ddfbbc029bcab630581847471d7f238ec53..16cb31fd756461aac24fc959ef5baf83c2d55506 100755
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/schoolapps/static/materialize" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/schoolapps/templates/partials/header.html b/schoolapps/templates/partials/header.html
index ccecf791d2043aba790d0afe67f4fee719bfe646..cde9628a99c30112bec7b823420f3780156b0998 100755
--- a/schoolapps/templates/partials/header.html
+++ b/schoolapps/templates/partials/header.html
@@ -121,7 +121,7 @@
                 </li>
                 <li>
                     <a href="{% url 'timetable_substitutions' %}">
-                        <i class="material-icons">person</i> Vertretungsplan
+                        <i class="material-icons">update</i> Vertretungsplan
                     </a>
                 </li>
                 <li>