usually uppercase
diff --git a/tobago-example/tobago-example-demo/src/main/webapp/content/10-intro/20-docker/readme.md b/tobago-example/tobago-example-demo/src/main/webapp/content/10-intro/20-docker/README.md
similarity index 100%
rename from tobago-example/tobago-example-demo/src/main/webapp/content/10-intro/20-docker/readme.md
rename to tobago-example/tobago-example-demo/src/main/webapp/content/10-intro/20-docker/README.md