diff --git a/nilmdb/utils/time.py b/nilmdb/utils/time.py
index 82655d7..61833bf 100644
--- a/nilmdb/utils/time.py
+++ b/nilmdb/utils/time.py
@@ -60,7 +60,7 @@ def rate_to_period(hz, cycles = 1):
 def parse_time(toparse):
     """
     Parse a free-form time string and return a nilmdb timestamp
-    (integer seconds since epoch).  If the string doesn't contain a
+    (integer microseconds since epoch).  If the string doesn't contain a
     timestamp, the current local timezone is assumed (e.g. from the TZ
     env var).
     """