emphasize that we mean the auth option to use

Closes #3164

Author: coke

doc/Language/compilation.pod6

@@ -182,7 +182,7 @@ Rakudo comes with several classes that can be used for repositories.
 The most important ones are C<CompUnit::Repository::FileSystem> and C<CompUnit::Repository::Installation>.
 The FileSystem repo is meant to be used during module development and actually works just like C<Perl> when
 looking for a module.
-It doesn't support versions or auths and simply maps the short-name to a filesystem path.
+It doesn't support versions or C<auth>s and simply maps the short-name to a filesystem path.
 
 The Installation repository is where the real smarts are. When requesting a module, you will usually either do it
 via its exact long name, or you say something along the lines of "give me a module that matches this filter".

xt/words.pws

@@ -74,6 +74,7 @@ attributecontainer
 attrinit
 attrs
 auth
+auths
 autoboxed
 autoboxing
 autodie