diff --git a/src/build/run.cr b/src/build/run.cr
index af91688..0bbf523 100644
--- a/src/build/run.cr
+++ b/src/build/run.cr
@@ -150,7 +150,7 @@ module DocMachine::Build
         docker_opt_mkdocs_port = ["-p", "#{mkdocs_port}:5100"]
         docker_opts.concat docker_opt_mkdocs_port
         Log.notice { "Using port #{mkdocs_port} for docs" }
-        Log.info { "Docs: Adding option to command line (#{docker_opt_marp_port})" }
+        Log.info { "Docs: Adding option to command line (#{docker_opt_mkdocs_port})" }
       else
         Log.info { "Docs: no docs detected." }
       end