fix for PR #1654

development/compiling/compiling_for_x11.rst

@@ -100,6 +100,10 @@ manager.
     Using Clang appears to be a requirement for OpenBSD, otherwise fonts
     would not build.
 
+.. note:: If you are compiling Godot for production use, then you can
+          make the final executable smaller and faster by adding the
+          SCons option ``target=release_debug``.
+
 Building export templates
 -------------------------