diff --git a/ex-6/plot.py b/ex-6/plot.py
index 1d68280..90fc7bc 100755
--- a/ex-6/plot.py
+++ b/ex-6/plot.py
@@ -11,4 +11,6 @@ suptitle('Fraunhofer diffraction')
 title(sys.argv[1] if len(sys.argv) > 1 else "", loc='right')
 hist(a, np.insert(b, 0, a[0]), weights=f/sum(f),
      color='#dbbf0d', edgecolor='#595856', linewidth=0.5)
+xlabel(r'$\theta$ (radians)')
+ylabel(r'$I(\theta)$ (a.u.)')
 show()