diff --git a/datetimes.Rmd b/datetimes.Rmd
index 55834ab..332b304 100644
--- a/datetimes.Rmd
+++ b/datetimes.Rmd
@@ -539,7 +539,7 @@ x1 - x2
 x1 - x3
 ```
 
-Unless other specified, lubridate always uses UTC. UTC (Coordinated Universal Time) is the standard time zone used by the scientific community and roughly equivalent to its predecessor GMT (Greenwich Meridian Time). It does not have DST, which makes a convenient representation for computation. Operations that combine date-times, like `c()`, will often drop the time zone. In that case, the date-times will display in your local time zone:
+Unless other specified, lubridate always uses UTC. UTC (Coordinated Universal Time) is the standard time zone used by the scientific community and roughly equivalent to its predecessor GMT (Greenwich Mean Time). It does not have DST, which makes a convenient representation for computation. Operations that combine date-times, like `c()`, will often drop the time zone. In that case, the date-times will display in your local time zone:
 
 ```{r}
 x4 <- c(x1, x2, x3)