diff --git a/R/man/set_date.Rd b/R/man/set_date.Rd
index 7402abe..2b0dfa6 100644
--- a/R/man/set_date.Rd
+++ b/R/man/set_date.Rd
@@ -4,17 +4,16 @@
 \alias{set_date}
 \title{Convert date vector}
 \usage{
-set_date(ds = NULL, tz = "GMT")
+set_date(ds)
 }
 \arguments{
-\item{ds}{Date vector, can be consisted of characters}
-
-\item{tz}{string time zone}
+\item{ds}{Date vector}
 }
 \value{
 vector of POSIXct object converted from date
 }
 \description{
-Convert the date to POSIXct object
+Convert the date to POSIXct object. Timezones are stripped and replaced
+with GMT.
 }
 \keyword{internal}
diff --git a/R/man/single_cutoff_forecast.Rd b/R/man/single_cutoff_forecast.Rd
new file mode 100644
index 0000000..c5bf119
--- /dev/null
+++ b/R/man/single_cutoff_forecast.Rd
@@ -0,0 +1,28 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/diagnostics.R
+\name{single_cutoff_forecast}
+\alias{single_cutoff_forecast}
+\title{Forecast for a single cutoff.
+Used in cross_validation function when evaluating for multiple cutoffs.}
+\usage{
+single_cutoff_forecast(df, model, cutoff, horizon.dt, predict_columns)
+}
+\arguments{
+\item{df}{Dataframe with history for cutoff.}
+
+\item{model}{Prophet model object.}
+
+\item{cutoff}{Datetime of cutoff.}
+
+\item{horizon.dt}{timediff forecast horizon.}
+
+\item{predict_columns}{Array of names of columns to be returned in output.}
+}
+\value{
+Dataframe with forecast, actual value, and cutoff.
+}
+\description{
+Forecast for a single cutoff.
+Used in cross_validation function when evaluating for multiple cutoffs.
+}
+\keyword{internal}