diff --git a/general/genlib/fftw.xml b/general/genlib/fftw.xml
index 02efecaa48..5f47235923 100644
--- a/general/genlib/fftw.xml
+++ b/general/genlib/fftw.xml
@@ -124,7 +124,7 @@ make</userinput></screen>
 
 <screen role="root"><userinput>make install</userinput></screen>
 
-    <para>Finally, build lomg double precision:</para>
+    <para>Finally, build long double precision:</para>
 
 <screen><userinput>make clean &amp;&amp;