diff --git a/Doc/Doxygen/README.md b/Doc/Doxygen/README.md
index eb04b640117411534dd7508253f4d816282a9232..0995e73e1b413085e980fd7501dabf7b603d857d 100644
--- a/Doc/Doxygen/README.md
+++ b/Doc/Doxygen/README.md
@@ -7,7 +7,7 @@ To build the documentation,
 ```
 cd build
 # configure:
-cmake -DBORNAGAIN_CONFIGURE_DOXY=ON ..
+cmake -DCONFIGURE_DOXY=ON ..
 # make:
 make doxyuser
 make doxylong