Document link handler API

src/vs/vscode.proposed.d.ts

@@ -1114,13 +1114,19 @@ declare module 'vscode' {
 	//#region Terminal link handlers https://github.com/microsoft/vscode/issues/91606
 
 	export namespace window {
+		/**
+		 * Register a [TerminalLinkHandler](#TerminalLinkHandler) that can be used to intercept and
+		 * handle links that are activated within terminals.
+		 */
 		export function registerTerminalLinkHandler(handler: TerminalLinkHandler): Disposable;
 	}
 
 	export interface TerminalLinkHandler {
 		/**
-		 * @return true when the link was handled (and should not be considered by
-		 * other providers including the default), false when the link was not handled.
+		 * Handles a link that is activated within the terminal.
+		 *
+		 * @return Whether the link was handled, the link was handled this link will not be
+		 * considered by any other extension or by the default built-in link handler.
 		 */
 		handleLink(terminal: Terminal, link: string): ProviderResult<boolean>;
 	}