1 files changed, 1 insertions, 0 deletions

diff --git a/README b/README
index be44883f6..60e0f5ad9 100644
--- a/README
+++ b/README
@@ -126,6 +126,7 @@ BUILDING AND INSTALLING FLTK UNDER UNIX
     Windows counterparts.  Other options include:
 
 	--enable-debug          - Enable debugging code & symbols
+	--enable-production     - Enable optimization
 	--enable-shared         - Enable generation of shared libraries
 	--enable-windows-style  - Enable the Microsoft Windows "look-n-feel"