message: Improve method documentation
diff: @@ -169,11 +169,11 @@ export function stringifyTxTime({ seconds, nanos }: proto.ITimestamp) {
  }
  /**
  - * Returns a key without prefix
  + * Remove the specified prefix from a string only if it starts with that prefix
  *
  * @param {string} prefix The prefix to be removed
  - * @param {string} key The private or public key string
  - * @returns {string} The key without prefix
  + * @param {string} key The original string, usually a private or public key
  + * @returns {string} The string without prefix
  */
  export function removePrefix(prefix: string, key: string): string {
  if (key.startsWith(prefix)) {
  