Merge pull request #1540 from Cadienvan/patch-1

docs: fixing typo in exec-example

Author: k8s-ci-robot

examples/typescript/exec/exec-example.ts

@@ -9,7 +9,7 @@ exec.exec(
     'default',
     'nginx-4217019353-9gl4s',
     'nginx',
-    ['ls, '-al', '.'],
+    ['ls', '-al', '.'],
     process.stdout as stream.Writable,
     process.stderr as stream.Writable,
     process.stdin as stream.Readable,