diff --git a/doc/README.Converters b/doc/README.Converters
index 5f278412e..e2cdebf72 100644
--- a/doc/README.Converters
+++ b/doc/README.Converters
@@ -119,7 +119,12 @@ application/pdf
 
   convert -density 100 -resize %wx '%f[0]' 'png:%o'
 
-  mutool draw -F png -w %w -q -N -o %o %f 1
+  mutool draw -F png -w %w -q -N -o '%o' '%f' 1
+
+  pdftocairo '%f' -png -singlefile -scale-to-x %w -scale-to-y -1 - > '%o'
+
+	pdftocairo needs to output to stdout because the output file name passed
+  to pdftocairo will be suffixed with png
 
 application/postscript
   convert -density 100 -resize %wx '%f[0]' 'png:%o'