diff --git a/freefall.m b/freefall.m
index 4ed3cdc..f493fec 100644
--- a/freefall.m
+++ b/freefall.m
@@ -1,7 +1,7 @@
 function [v_analytical,v_terminal,t]=freefall(h,timespan)
     % help file for freefall.m
     % N is number of timesteps between 0 and 12 sec
-    % v_an...
+    % v_ananlytical is the analytical result
     t=[0:h:timespan]';
     c=0.25; m=60; g=9.81; v_terminal=sqrt(m*g/c);