diff --git a/entities/acronyms.xml b/entities/acronyms.xml
index 7dac239533..260299052a 100644
--- a/entities/acronyms.xml
+++ b/entities/acronyms.xml
@@ -401,6 +401,12 @@
     <simpara>Photoshop Document</simpara>
    </listitem>
   </varlistentry>
+  <varlistentry>
+   <term>QoS</term>
+   <listitem>
+    <simpara>Quality of Service</simpara>
+   </listitem>
+  </varlistentry>
   <varlistentry>
    <term>RGB</term>
    <listitem>