Add info about chart data

webclient/src/Charts.js

@@ -29,6 +29,7 @@ export function Charts(props) {
 
 			<p>Daily since March 2nd, 2020.</p>
 
+			<p>
 				{memberCount &&
 					<ResponsiveContainer width='100%' height={300}>
 						<LineChart data={memberCount}>
@@ -61,6 +62,11 @@ export function Charts(props) {
 						</LineChart>
 					</ResponsiveContainer>
 				}
+			</p>
+
+			<p>The Member Count is the amount of Prepaid, Current, Due, and Overdue members on Spaceport.</p>
+
+			<p>The Green Count is the amount of Prepaid and Current members.</p>
 
 		</Container>
 	);