diff --git a/ledger.nanorc b/ledger.nanorc
index e0344fa..9fb6cd6 100644
--- a/ledger.nanorc
+++ b/ledger.nanorc
@@ -5,5 +5,6 @@ color blue   "^[0-9]{4}(/|-)[0-9]{2}(/|-)[0-9]{2}"
 color brightyellow "^~ .*"
 color brightblue "^= .*"
 color cyan  "^[[:space:]]+(![[:space:]]+)?\(?[A-Za-z ]+(:[A-Za-z ]+)*\)?"
+color cyan  "^[[:space:]]+(![[:space:]]+)?\(?[A-Za-z_-]+(:[A-Za-z_-]+)*\)?"
 color red "[*!]"
 color brightblack  "^[[:space:]]*;.*"