diff --git a/R/importWaterML2.r b/R/importWaterML2.r
index 23a2ad961562dd5f8941af66fe8ac3f135c5e7f3..aca518bd707be79ef2a0c5e9a9d255fa93676b52 100644
--- a/R/importWaterML2.r
+++ b/R/importWaterML2.r
@@ -3,6 +3,7 @@
 #' This function accepts a url parameter for a WaterML2 getObservation 
 #'
 #' @param obs_url string containing the url for the retrieval
+#' @param asDateTime logical, if TRUE returns date and time as POSIXct, if FALSE, Date
 #' @return mergedDF a data frame containing columns agency, site, dateTime, values, and remark codes for all requested combinations
 #' @export
 #' @import XML
diff --git a/man/importWaterML2.Rd b/man/importWaterML2.Rd
index 8ff8f4381103d1c47ef1d691d0a9f1fff6d8fa4f..0894a17c8c7ed793f8889e21ff8b10c672551f36 100644
--- a/man/importWaterML2.Rd
+++ b/man/importWaterML2.Rd
@@ -7,6 +7,8 @@ importWaterML2(obs_url, asDateTime = FALSE)
 }
 \arguments{
 \item{obs_url}{string containing the url for the retrieval}
+
+\item{asDateTime}{logical, if TRUE returns date and time as POSIXct, if FALSE, Date}
 }
 \value{
 mergedDF a data frame containing columns agency, site, dateTime, values, and remark codes for all requested combinations