diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index b2ac03e4fcd42025a43612d541868145aa4f3430..9305f29a4c3b25320d7dc398cdd17526734a1efe 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -3701,7 +3701,7 @@ declare module 'vscode' {
 	}
 
 	/**
-	 * A line based folding range. To be valid, start and end line must a zero or larger and smaller than the number of lines in the document.
+	 * A line based folding range. To be valid, start and end line must be bigger than zero and smaller than the number of lines in the document.
 	 * Invalid ranges will be ignored.
 	 */
 	export class FoldingRange {