diff --git a/tools/rttm/.gitignore b/tools/rttm/.gitignore
new file mode 100644
index 0000000..d00d0ad
--- /dev/null
+++ b/tools/rttm/.gitignore
@@ -0,0 +1,3 @@
+# ELAN files
+*.eaf
+*.pfsx
diff --git a/tools/rttm/README.md b/tools/rttm/README.md
index e69de29..0d578e2 100644
--- a/tools/rttm/README.md
+++ b/tools/rttm/README.md
@@ -0,0 +1,7 @@
+# rttm
+
+RTTM file tool.
+
+```shell
+mx uv run python main.py sample.rttm output.eaf
+```