diff --git a/doc/ros_2.md b/doc/design_ros_2.md
similarity index 100%
rename from doc/ros_2.md
rename to doc/design_ros_2.md
diff --git a/design.md b/doc/plan.md
similarity index 99%
rename from design.md
rename to doc/plan.md
index d442f57..febdcde 100644
--- a/design.md
+++ b/doc/plan.md
@@ -1,4 +1,4 @@
-# Design
+# Plan
 
 Plan for ROS 2 tracing & analysis effort.