diff --git a/README.md b/README.md
index abcd145..7192c51 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ _, _, _, _, [q, _, s_q, _, _, _, _, _] = mie_scattering(n_p, n_s, a_p, lambda_va
-The code is sufficiently optimized so that 100+ calls to mie/rayleigh_scattering can occur in under a second. See mie_vs_rayleigh_l_star.py for an example; the results are shown below.
+The code is sufficiently optimized so that 100+ calls to mie/rayleigh_scattering can occur in under a second. See `mie_vs_rayleigh_l_star.py` for an example; the results are shown below.