diff --git a/muttrc b/muttrc
index 14cc428..0c54703 100644
--- a/muttrc
+++ b/muttrc
@@ -45,6 +45,11 @@ set mailcap_path="~/.mutt/mailcap"
 auto_view text/html
 alternative_order text/plain text/enriched text/html
 
+# Some resources for colors:
+# http://www.strcat.de/dotfiles/mutt.color
+# https://github.com/altercation/mutt-colors-solarized/blob/master/mutt-colors-solarized-dark-256.muttrc
+# https://www.sendmail.org/~ca/email/mutt/manual-4.html
+
 # A sensible default
 color index default     default     ~A
 # Unread email