diff --git a/articles/datenschutz.php b/articles/datenschutz.php
index f0d4105..163ed07 100644
--- a/articles/datenschutz.php
+++ b/articles/datenschutz.php
@@ -23,7 +23,7 @@
             |
         	<a href = "../informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a>
         	|
-        	<a href = "../content/mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
+        	<a href = "../mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
         	|
         	<a href = "../content/physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
         	|
diff --git a/articles/tunneleffekt.php b/articles/tunneleffekt.php
index 58aa373..9247205 100644
--- a/articles/tunneleffekt.php
+++ b/articles/tunneleffekt.php
@@ -23,7 +23,7 @@
         |
     	<a href = "../informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a>
     	|
-    	<a href = "../content/mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
+    	<a href = "../mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
     	|
     	<a href = "../content/physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
     	|
diff --git a/content/home.php b/content/home.php
index f862a98..4523438 100644
--- a/content/home.php
+++ b/content/home.php
@@ -14,19 +14,19 @@
         sea takimata sanctus est Lorem ipsum dolor sit amet.
     </p>
     <div>
-    <a href = "content/informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a> <br>
+    <a href = "informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a> <br>
     <div>
         <a href="articles/datenschutz.php">Datenschutz vs. Datensicherheit</a>
     </div>
     </div>
     <div>
-    <a href = "content/mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a> <br>
+    <a href = "mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a> <br>
     <div>
         <a href="articles/pythagoras.php">Satz des Pythagoras</a>
     </div>
     </div>
     <div>
-    <a href = "content/physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
+    <a href = "physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
     <div>
         <a href="articles/tunneleffekt.php">Der Tunneleffekt</a>
     </div>
diff --git a/legal/impressum.php b/legal/impressum.php
index 8d8ca73..113ab06 100644
--- a/legal/impressum.php
+++ b/legal/impressum.php
@@ -24,7 +24,7 @@
                 |
             	<a href = "../informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a>
             	|
-            	<a href = "../content/mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
+            	<a href = "../mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
             	|
             	<a href = "../content/physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
             	|
diff --git a/legal/nutzungsbedingungen.php b/legal/nutzungsbedingungen.php
index 8febb8b..aafc326 100644
--- a/legal/nutzungsbedingungen.php
+++ b/legal/nutzungsbedingungen.php
@@ -23,7 +23,7 @@
                 |
             	<a href = "../informatik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Informatik</b></a>
             	|
-            	<a href = "../content/mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
+            	<a href = "../mathe.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Mathe</b></a>
             	|
             	<a href = "../content/physik.php" style = "padding: 5px; text-align: center; text-decoration: none; display: inline-block;"><b>Physik</b></a>
             	|