diff --git a/clients/README.txt b/clients/README.md
similarity index 92%
rename from clients/README.txt
rename to clients/README.md
index 3ce8ce243..85ccf0f48 100644
--- a/clients/README.txt
+++ b/clients/README.md
@@ -1,3 +1,5 @@
+# S2SS clients
+
 This directory contains code and projects to connect
 various simulators and tools to the S2SS server.