Correct Cross compiling commandline

diff --git a/README.build.md b/README.build.md
index 71c73c1..58ffcc7 100644 (file)
--- a/README.build.md
+++ b/README.build.md
@@ -405,7 +405,7 @@ The commandline to configure for cross with this would look like
 ```
        $ cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/usr \
                 -DCMAKE_TOOLCHAIN_FILE=../cross-arm-linux-gnueabihf.cmake \
-                -DWITHOUT_EXTENSIONS=1 -DWITH_SSL=0
+                -DLWS_WITHOUT_EXTENSIONS=1 -DLWS_WITH_SSL=0
 ```
 The example shows how to build with no external cross lib dependencies, you
 need to provide the cross libraries otherwise.