message: docs: Make LoadChainstate comment more accurate
diff: @@ -50,7 +50,7 @@ enum class ChainstateLoadingError {
  * this sequence, when we explicitly checked shutdown_requested() at
  * arbitrary points, one of those calls returned true". Therefore, a
  * return value other than SHUTDOWN_PROBED does not guarantee that
  - * shutdown_requested() hasn't been called indirectly.
  + * shutdown hasn't been called indirectly.
  * - else
  * - Success!
  */
  