diff --git a/R/az_15min.R b/R/az_15min.R
index 2e977f0..3e07909 100755
--- a/R/az_15min.R
+++ b/R/az_15min.R
@@ -72,7 +72,7 @@ az_15min <- function(station_id = NULL, start_date_time = NULL, end_date_time =
   # Query API ------------------------------------------------------------------
 
   if (is.null(start_date_time) & is.null(end_date_time)) {
-    message("Querying most recent date-time of 15-minute data ...")
+    message("Querying most recent datetime of 15-minute data ...")
   } else {
     message(
       "Querying data from ", format(params$start, "%Y-%m-%d %H:%M:%S")," through ", format(params$end, "%Y-%m-%d %H:%M:%S"), " ..."
diff --git a/R/az_lw15min.R b/R/az_lw15min.R
index a95ab1a..50f4d45 100644
--- a/R/az_lw15min.R
+++ b/R/az_lw15min.R
@@ -73,7 +73,7 @@ az_lw15min <- function(station_id = NULL, start_date_time = NULL, end_date_time
   # Query API ------------------------------------------------------------------
 
   if (is.null(start_date_time) & is.null(end_date_time)) {
-    message("Querying most recent date-time of leaf wetness 15-minute data ...")
+    message("Querying most recent datetime of leaf wetness 15-minute data ...")
   } else {
     message(
       "Querying data from ", format(params$start, "%Y-%m-%d %H:%M:%S")," through ", format(params$end, "%Y-%m-%d %H:%M:%S"), " ..."
diff --git a/R/parse_params.R b/R/parse_params.R
index c57843e..ed5a2d2 100644
--- a/R/parse_params.R
+++ b/R/parse_params.R
@@ -81,7 +81,7 @@ parse_params <- function(station_id, start, end, hour = FALSE, real_time = FALSE
     # For hourly, if only ymd is supplied to `end`, round up to end of day. On a
     # given day, hourly data go from 1:00:00 to 23:59:59. For 15min, if only ymd
     # is supplied to `end`, set to current Arizona time. On a given day, 15 min
-    # data go from 00:00:01 to 23:59:59
+    # data go from 00:00:00 to 23:59:59
     if (isTRUE(hour) & is_ymd(end)) { # Hourly data
       end_ <- paste(end, "23:59:59")
     } else if (isTRUE(real_time) & is_ymd(end)) { # 15min data
@@ -112,7 +112,7 @@ parse_params <- function(station_id, start, end, hour = FALSE, real_time = FALSE
     if (isTRUE(hour) & is_ymd(start)) { # Hourly data
       start_ <- paste(start, "01:00:00")
     } else if (isTRUE(real_time) & is_ymd(start)) { # 15min data
-      start_ <- paste(start, "00:00:01")
+      start_ <- paste(start, "00:00:00")
     } else { # Daily weather and leaf wetness data
       start_ <- start
     }