diff --git a/README.md b/README.md
index 16366e7..63be869 100644
--- a/README.md
+++ b/README.md
@@ -158,10 +158,10 @@ Options:
           The path prefix act as a secret to authenticate clients
           Disabled by default. Accept all path prefix. Can be specified multiple time
       --tls-certificate <FILE_PATH>
-          [Optional] Use custom certificate (.pem) instead of the default embedded self signed certificate.
+          [Optional] Use custom certificate (pem) instead of the default embedded self signed certificate.
           The certificate will be automatically reloaded if it changes 
       --tls-private-key <FILE_PATH>
-          [Optional] Use a custom tls key (.pem) that the server will use instead of the default embedded one
+          [Optional] Use a custom tls key (pem, ec, rsa) that the server will use instead of the default embedded one
           The private key will be automatically reloaded if it changes
   -h, --help
           Print help
diff --git a/src/main.rs b/src/main.rs
index eb6247d..1509076 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -220,12 +220,12 @@ struct Server {
     )]
     restrict_http_upgrade_path_prefix: Option<Vec<String>>,
 
-    /// [Optional] Use custom certificate (.pem) instead of the default embedded self signed certificate.
+    /// [Optional] Use custom certificate (pem) instead of the default embedded self signed certificate.
     /// The certificate will be automatically reloaded if it changes
     #[arg(long, value_name = "FILE_PATH", verbatim_doc_comment)]
     tls_certificate: Option<PathBuf>,
 
-    /// [Optional] Use a custom tls key (.pem) that the server will use instead of the default embedded one
+    /// [Optional] Use a custom tls key (pem, ec, rsa) that the server will use instead of the default embedded one
     /// The private key will be automatically reloaded if it changes
     #[arg(long, value_name = "FILE_PATH", verbatim_doc_comment)]
     tls_private_key: Option<PathBuf>,