diff --git a/_episodes/05-plotting.md b/_episodes/05-plotting.md
index 24f1764..a83f90d 100644
--- a/_episodes/05-plotting.md
+++ b/_episodes/05-plotting.md
@@ -27,7 +27,7 @@ One of the most common ways to present scientific data is through graphs or plot
 > distances = numpy.genfromtxt(fname=distance_file, delimiter=',', dtype='unicode')
 > headers = distances[0]
 > data = distances[1:]
-> data = data.astype(numpy.float)
+> data = data.astype(float)
 > ~~~
 > {: .language-python}
 {: .callout}