1 files changed, 1 insertions, 0 deletions
diff --git a/deflateTune.3 b/deflateTune.3
index 178b029..8b450be 100644
--- a/deflateTune.3
+++ b/deflateTune.3
@@ -10,6 +10,7 @@
 .Lb libz
 .
 .Sh SYNOPSIS
+.In zlib.h
 .Ft int
 .Fo deflateTune
 .Fa "z_streamp strm"