Clarify error class comments.

diff --git a/lib/common/errors.rb b/lib/common/errors.rb
index d0bcfe200ef14c187c29ac6bfe26ba8cb3be0be6..bcae691f9c3fbc7405558ddd82ecb3e883f9a8f4 100644 (file)
--- a/lib/common/errors.rb
+++ b/lib/common/errors.rb
@@ -4,17 +4,16 @@ class DatabaseError < StandardError
 end
 
 
-# Perhaps surprisingly, used to indicate that an user name is
-# invalid.
+# Username is syntactically invalid.
 class InvalidUserError < StandardError
 end
 
 
-# Used to indicate that an user does not exist on the filesystem.
+# Used to indicate that an user does not exist.
 class NonexistentUserError < StandardError
 end
 
 
-# Used to indicate that a domain does not exist on the filesystem.
+# Used to indicate that a domain does not exist.
 class NonexistentDomainError < StandardError
 end