Correct tokenSecretKey base64 inline description. (#6959)

### Motivation

Fixes #6761

### Modifications

Correct tokenSecretKey base64 inline description in documents (based master & version 2.5.1) and examples.
1 file changed
tree: 5e3c7f36c44c29dc67a4721881619bd1a02ec316
  1. distribution/
  2. docker/
  3. tests/