diff --git a/base/common/DateLUTImpl.cpp b/base/common/DateLUTImpl.cpp
index 6f4fb3dd5fc..d9dde3a8d0d 100644
--- a/base/common/DateLUTImpl.cpp
+++ b/base/common/DateLUTImpl.cpp
@@ -56,7 +56,7 @@ DateLUTImpl::DateLUTImpl(const std::string & time_zone_)
     time_t start_of_day;
     time_offset_epoch = cctz::convert(cctz::civil_second(lut_start), cctz_time_zone).time_since_epoch().count();
 
-    // Note validated this against all timezones in the system.
+    // Note: it's validated against all timezones in the system.
     assert((epoch - lut_start) == daynum_offset_epoch);
 
     offset_at_start_of_epoch = cctz_time_zone.lookup(cctz_time_zone.lookup(epoch).pre).offset;