diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1e4ead768..50b8860984 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ Changelog
 
 ### Chores
 
+- Added unit tests for mnemonic generation and validation ([PR 1379](https://github.com/input-output-hk/daedalus/pull/1379))
 - Simplified the test setup ([PR 1378](https://github.com/input-output-hk/daedalus/pull/1378))
 - Updated PR template ([PR 1376](https://github.com/input-output-hk/daedalus/pull/1376))
 - Implemented new About Us dialog design with a close button ([PR 1369](https://github.com/input-output-hk/daedalus/pull/1369)
diff --git a/features/README.md b/features/README.md
index e7ae1a4944..cbf47c4b1c 100644
--- a/features/README.md
+++ b/features/README.md
@@ -20,6 +20,16 @@ Make sure Daedalus is properly installed (see above).
 $ yarn test:unit
 ```
 
+## Unbound tests
+   
+Unbound tests run as long as you keep them running 
+(never end except if an error occurs).
+   
+Example:
+`yarn test:unit:unbound --tags @mnemonics` 
+generates and validates mnemonics as long as you keep it 
+running (the number of executions is updated in the terminal)
+
 # Run UI tests
 
 1. Make sure Daedalus is properly installed (see above).