Add missing space to l10n string

src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts

@@ -274,7 +274,7 @@ export class TerminalInstance implements ITerminalInstance {
 			// Localize strings
 			Terminal.strings.blankLine = nls.localize('terminal.integrated.a11yBlankLine', 'Blank line');
 			Terminal.strings.promptLabel = nls.localize('terminal.integrated.a11yPromptLabel', 'Terminal input');
-			Terminal.strings.tooMuchOutput = nls.localize('terminal.integrated.a11yTooMuchOutput', 'Too much output to announce,navigate to rows manually to read');
+			Terminal.strings.tooMuchOutput = nls.localize('terminal.integrated.a11yTooMuchOutput', 'Too much output to announce, navigate to rows manually to read');
 		}
 		const accessibilitySupport = this._configurationService.getValue<IEditorOptions>('editor').accessibilitySupport;
 		const font = this._configHelper.getFont(true);