diff --git a/_includes/header.html b/_includes/header.html
index e2bba86..f32e259 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -6,7 +6,7 @@
 <header class="site-header" role="banner">
 
     <div class="wrapper">
-        <a class="site-title" rel="author" href="{{ "/" | relative_url }}">{{ site.title | escape }}</a> by <img src="/images/SAG_Logo.png">
+        <a class="site-title" rel="author" href="{{ "/" | relative_url }}">{{ site.title | escape }}</a> by <img src="/images/SAG_Logo.png" alt="SoftwareAG">
 
         <nav class="site-nav">
             <input type="checkbox" id="nav-trigger" class="nav-trigger" />