diff --git a/DOCS/en/faq.html b/DOCS/en/faq.html
index 693e4f5440..c451bc4dee 100644
--- a/DOCS/en/faq.html
+++ b/DOCS/en/faq.html
@@ -802,6 +802,10 @@
   <DD>A: Because the bitrate you encoded the audio with is too large to fit the
     movie on any CD. Check if you have libmp3lame installed properly.</DD>
 
+  <DT>Q: I can't encode ASF files to AVI/DIVX because it uses 1000 fps?</DT>
+  <DD>A: Because ASF uses variable frame rate but AVI uses a fixed one, you 
+    have to set it by hand using -ofps.</DD>
+
 </DL>
 
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