diff --git a/src/DarkSky.jl b/src/DarkSky.jl
index d7e4273..db1a9c1 100644
--- a/src/DarkSky.jl
+++ b/src/DarkSky.jl
@@ -40,19 +40,14 @@ end
 
 Make a "Forecast Request", returns the current weather forecast for the next week.
 
-    forecast(latitude::Float64, longitude::Float64, time::DateTime; verbose::Bool=true, kwargs...)
-
-Make a "Time Machine Request", returns the observed or forecast weather conditions for a date in
-the past or future.
-
-# Keyword Arguments
+# Arguments
 - `latitude`: the latitude of a location (in decimal degrees). Positive is north, negative is south.
 - `longitude`: the longitude of a location (in decimal degrees). Positive is east, negative is west.
-- `verbose`: whether to display the HTTP request verbosely.
-- `exclude`: exclude some number of data blocks from the API response  (see the [Dark Sky API documentation](https://darksky.net/dev/docs#forecast-request)). This is useful for reducing latency and saving cache space.
-- `extend`: when present, return hour-by-hour data for the next 168 hours, instead of the next 48.
-- `lang`: return summary properties in the desired language (see the [Dark Sky API documentation](https://darksky.net/dev/docs#forecast-request)).
-- `units`: return weather conditions in the requested units (see the [Dark Sky API documentation](https://darksky.net/dev/docs#forecast-request)).
+- `verbose`: whether to display the HTTP request verbosely (optional).
+- `exclude`: exclude some number of data blocks from the API response (optional).
+- `extend`: when present, return hour-by-hour data for the next 168 hours, instead of the next 48 (optional).
+- `lang`: return summary properties in the desired language (optional).
+- `units`: return weather conditions in the requested units (optional).
 """
 function forecast(latitude::Float64, longitude::Float64; verbose::Bool=true,
                   exclude::Optional{Array{String}}=nothing, extend::Optional{String}=nothing,
@@ -68,6 +63,22 @@ function forecast(latitude::Float64, longitude::Float64; verbose::Bool=true,
     end
     _get_json(url, verbose)
 end
+
+"""
+    forecast(latitude::Float64, longitude::Float64, time::DateTime; verbose::Bool=true, kwargs...)
+
+Make a "Time Machine Request", returns the observed or forecast weather conditions for a date in
+the past or future.
+
+# Arguments
+- `latitude`: the latitude of a location (in decimal degrees). Positive is north, negative is south.
+- `longitude`: the longitude of a location (in decimal degrees). Positive is east, negative is west.
+- `time`: the timestamp for a Time Machine Request (optional).
+- `verbose`: whether to display the HTTP request verbosely (optional).
+- `exclude`: exclude some number of data blocks from the API response (optional).
+- `lang`: return summary properties in the desired language (optional).
+- `units`: return weather conditions in the requested units (optional).
+"""
 function forecast(latitude::Float64, longitude::Float64, time::DateTime; verbose::Bool=true,
                   extend::Optional{String}=nothing, lang::String="en", units::String="us")
     @argcheck in(lang, SUPPORTED_LANGS)
diff --git a/test/runtests.jl b/test/runtests.jl
index 045d5e1..7beb010 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -5,3 +5,5 @@ response = forecast(42.3601, -71.0589);
 @test typeof(response) === DarkSky.DarkSkyResponse
 response = forecast(42.3601, -71.0589, DateTime(2018, 1, 1, 0, 0, 0));
 @test typeof(response) === DarkSky.DarkSkyResponse
+response = forecast(42.3601, -71.0589, DateTime(2018, 1, 1, 0, 0, 0), lang="es", units="si", exclude=["minutely"]);
+@test typeof(response) === DarkSky.DarkSkyResponse