diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,23 @@
 # rustframe
 
-A simple dataframe library.
\ No newline at end of file
+[![codecov](https://codecov.io/gh/Magnus167/rustframe/graph/badge.svg?token=J7ULJEFTVI)](https://codecov.io/gh/Magnus167/rustframe)
+
+A simple dataframe library.
+
+---
+
+`tarpaulin` coverage report: [tarpaulin-report](tarpaulin-report.html).
+
+---
+
+## Build
+
+```bash
+cargo build
+```
+
+## Test
+
+```bash
+cargo test
+```