diff --git a/rust/src/main.rs b/rust/src/main.rs
index a97e5c2851de5..eb28caecb84fc 100644
--- a/rust/src/main.rs
+++ b/rust/src/main.rs
@@ -57,7 +57,8 @@ struct Cli {
     #[clap(long, value_parser)]
     driver_version: Option<String>,
 
-    /// Major browser version (e.g., 105, 106, etc. Also: beta, dev, canary -or nightly- is accepted)
+    /// Major browser version (e.g., 105, 106, etc. Also: beta, dev, canary -or nightly-,
+    /// and esr -in Firefox- are accepted)
     #[clap(long, value_parser)]
     browser_version: Option<String>,