diff --git a/lotkavolterra_antibiotics.m b/lotkavolterra_antibiotics.m
index a71829e43890af69f8d9987e5564f06b6078dec7..825c9ae5902e327c624e48852c72f72e30fe48e8 100644
--- a/lotkavolterra_antibiotics.m
+++ b/lotkavolterra_antibiotics.m
@@ -40,7 +40,7 @@ normalized_states = 100 * equilibrium_states ./ sum(equilibrium_states, 2);
 
 figure;
 bar_handle = bar(time_points, normalized_states, 'stacked');
-colors = lines(6); % 6 species
+colors = lines(6);
 for i = 1:size(X, 2)
     set(bar_handle(i), 'FaceColor', colors(i, :));
 end