diff --git a/ledger.nanorc b/ledger.nanorc
index fa08338..8b13fdd 100644
--- a/ledger.nanorc
+++ b/ledger.nanorc
@@ -1,7 +1,7 @@
-syntax "ledger" "(^|\.|/)ledger$"
+syntax "ledger" "(^|\.|/)ledger|beancount$"
 
-color brightmagenta  "^([0-9]{4}/[0-9]{2}/[0-9]{2}|[=~]) .*"
-color blue   "^[0-9]{4}/[0-9]{2}/[0-9]{2}"
+color brightmagenta  "^([0-9]{4}(/|-)[0-9]{2}(/|-)[0-9]{2}|[=~]) .*"
+color blue   "^[0-9]{4}(/|-)[0-9]{2}(/|-)[0-9]{2}"
 color brightyellow "^~ .*"
 color brightblue "^= .*"
 color cyan  "^[[:space:]]+\(?[A-Za-z ]+(:[A-Za-z ]+)*\)?"