diff --git a/man/dispersion_plot.Rd b/man/dispersion_plot.Rd
index 361483a2..79c49046 100644
--- a/man/dispersion_plot.Rd
+++ b/man/dispersion_plot.Rd
@@ -7,12 +7,12 @@
 dispersion_plot(x, color_scheme = "cycle_hues")
 }
 \arguments{
-\item{x}{either a dispersion data frame, typically created from use of the
+\item{x}{Either a dispersion data frame, typically created from use of the
 \code{hysplit_dispersion}, or a dispersion model object that contains
 output data (i.e., after executing model runs via the \code{run_model}
 function).}
 
-\item{color_scheme}{defines the appearance of multiple trajectories in a
+\item{color_scheme}{Defines the appearance of multiple trajectories in a
 single plot. Current options are \code{cycle_hues} (the default), and
 \code{increasingly_gray}.}
 }