erc-pal-highlight-type

erc-pal-highlight-type is a variable defined in `erc-match.el'.
Its value is

nick

Documentation:
Determines how to highlight messages by pals.
See `erc-pals'.

The following values are allowed:

nil - do not highlight the message at all
'nick - highlight pal's nickname only
'all - highlight the entire message from pal

Any other value disables pal highlighting altogether.

You can customize this variable.