diff --git a/matlab/particle/traditional_resampling.m b/matlab/particle/traditional_resampling.m
index 4f787879a..df46a9990 100644
--- a/matlab/particle/traditional_resampling.m
+++ b/matlab/particle/traditional_resampling.m
@@ -215,7 +215,7 @@ end
 %$ % REMARK
 %$ % Note that the alternative code used in this test is sensibly faster than the code proposed
 %$ % in the routine for the resampling scheme à la Kitagawa...
-%$ 
+%$
 %$ if show_plot
 %$     plot(randvec,c,'-r'), hold on, plot([randvec(1),randvec(end)],[c(1),c(end)],'-k'), hold off, axis tight, box on
 %$ end