diff --git a/reference/gmp/functions/gmp-gcdext.xml b/reference/gmp/functions/gmp-gcdext.xml
index 40387e37fa..2f653a9662 100644
--- a/reference/gmp/functions/gmp-gcdext.xml
+++ b/reference/gmp/functions/gmp-gcdext.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/gmp.xml, last change in rev 1.1 -->
   <refentry id="function.gmp-gcdext">
    <refnamediv>
@@ -21,10 +21,7 @@
     <para>
      This function can be used to solve linear Diophantine equations in two
      variables. These are equations that allow only integer solutions and have the form:
-     <informalequation>
-      <alt>a*x + b*y = c</alt>
-      <graphic fileref="images/diophantine-equation.png"/>
-      </informalequation>
+     <literal>a*x + b*y = c</literal>.
       For more information, go to the <ulink url="&url.diophantine-equation;">"Diophantine 
        Equation" page at MathWorld</ulink>
     </para>