message: Fix a typo in help text.
diff: @@ -821,7 +821,7 @@ void CommandInterpreter::LoadCommandDictionary() {
  *this, "_regexp-env",
  "Shorthand for viewing and setting environment variables.",
  "\n"
  - "_regexp-env // Show enrivonment\n"
  + "_regexp-env // Show environment\n"
  "_regexp-env <name>=<value> // Set an environment variable",
  2, 0, false));
  if (env_regex_cmd_up) {
  