diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 178174e..61ecaef 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -1386,7 +1386,7 @@ outfile.pdf
of the qpdf library's public interface. The best source of
documentation on the library itself is reading comments in
include/qpdf/QPDF.hh,
- include/qpdf/QDFWriter.hh, and
+ include/qpdf/QPDFWriter.hh, and
include/qpdf/QPDFObjectHandle.hh.