chore: update WWWAuthenticateChallenge.parameters description

Author: panva

docs/interfaces/WWWAuthenticateChallenge.md

@@ -14,8 +14,9 @@ Parsed WWW-Authenticate challenge
 
 • `readonly` **parameters**: [`WWWAuthenticateChallengeParameters`](WWWAuthenticateChallengeParameters.md)
 
-Parsed WWW-Authenticate challenge auth-param dictionary (always present but will be empty when
-[token68](#token68) is present)
+Parsed WWW-Authenticate challenge auth-param dictionary (always present but may be empty, e.g.
+when [token68](#token68) is present, or when no auth-param pairs
+were provided)
 
 ***
 

src/index.ts

@@ -2640,8 +2640,9 @@ export interface WWWAuthenticateChallenge {
    */
   readonly scheme: Lowercase<string>
   /**
-   * Parsed WWW-Authenticate challenge auth-param dictionary (always present but will be empty when
-   * {@link WWWAuthenticateChallenge.token68 token68} is present)
+   * Parsed WWW-Authenticate challenge auth-param dictionary (always present but may be empty, e.g.
+   * when {@link WWWAuthenticateChallenge.token68 token68} is present, or when no auth-param pairs
+   * were provided)
    */
   readonly parameters: WWWAuthenticateChallengeParameters
   /**