diff --git a/README.md b/README.md
index d4c855f..5722e2c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Tracing tools for ROS 2.
 
 ## Building
 
-If the `TRACETOOLS_ENABLED` option is disabled during build or if LTTng is not found, then this package will not do anything.
+If the `TRACETOOLS_DISABLED` option is enabled during build or if LTTng is not found, then this package will not do anything.
 
 To enable tracing: