diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 05702bab14..44685b5393 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -11913,7 +11913,7 @@ declare namespace ts {
          */
         readDirectory(rootDir: string, extension: string, basePaths?: string, excludeEx?: string, includeFileEx?: string, includeDirEx?: string, depth?: number): string;
         /**
-         * Read arbitary text files on disk, i.e. when resolution procedure needs the content of 'package.json' to determine location of bundled typings for node modules
+         * Read arbitrary text files on disk, i.e. when resolution procedure needs the content of 'package.json' to determine location of bundled typings for node modules
          */
         readFile(fileName: string): string | undefined;
         realpath?(path: string): string;