diff --git a/typings/connection.d.ts b/typings/connection.d.ts
index 7b79e2c..8b477e8 100644
--- a/typings/connection.d.ts
+++ b/typings/connection.d.ts
@@ -591,8 +591,8 @@ export declare interface Connection extends EventEmitter {
   is_open(): boolean;
   is_remote_open(): boolean;
   /**
-   * Determines whether the close for connection was initiated by the client.
-   * @returns {boolean} `true` - close was initiated by the client, `false` otherwise.
+   * Determines whether both local and remote endpoints are closed.
+   * @returns {boolean} `true` - closed, `false` otherwise.
    */
   is_closed(): boolean;
   create_session(): Session;
diff --git a/typings/link.d.ts b/typings/link.d.ts
index dbeb89d..34fae22 100644
--- a/typings/link.d.ts
+++ b/typings/link.d.ts
@@ -42,14 +42,14 @@ export declare interface link extends EventEmitter {
   is_open(): boolean;
   is_remote_open(): boolean;
   /**
-   * Determines whether the close for link or it's underlying session or it's
-   * underlying connection was initiated by the client.
-   * @returns {boolean} `true` - close was initiated by the client, `false` otherwise.
+   * Determines whether both local and remote endpoint for link or it's underlying session
+   * or it's underlying connection are closed.
+   * @returns {boolean} `true` - closed, `false` otherwise.
    */
   is_closed(): boolean;
   /**
-   * Determines whether the close for just the link itself was initiated by the client.
-   * @returns {boolean} `true` - close was initiated by the client, `false` otherwise.
+   * Determines whether both local and remote endpoint for just the link itself are closed.
+   * @returns {boolean} `true` - closed, `false` otherwise.
    */
   is_itself_closed(): boolean;
   has_credit(): boolean;
diff --git a/typings/session.d.ts b/typings/session.d.ts
index 750d34d..46c46b1 100644
--- a/typings/session.d.ts
+++ b/typings/session.d.ts
@@ -53,14 +53,14 @@ export declare interface Session extends EventEmitter {
   is_open(): boolean;
   is_remote_open(): boolean;
   /**
-   * Determines whether the close for session or it's underlying connection
-   * was initiated by the client.
-   * @returns {boolean} `true` - close was initiated by the client, `false` otherwise.
+   * Determines whether both local and remote endpoint for session or it's underlying
+   * connection are closed.
+   * @returns {boolean} `true` - closed, `false` otherwise.
    */
   is_closed(): boolean;
   /**
-   * Determines whether the close for just the session itself was initiated by the client.
-   * @returns {boolean} `true` - close was initiated by the client, `false` otherwise.
+   * Determines whether both local and remote endpoint for just the session itself are closed.
+   * @returns {boolean} `true` - closed, `false` otherwise.
    */
   is_itself_closed(): boolean;
   remove(): void;