diff --git a/planet.md b/planet.md
index 40a62cb..f0b922f 100644
--- a/planet.md
+++ b/planet.md
@@ -372,7 +372,7 @@ in km (circumference, that is, 2pi × r)?
 
 See [Planets @ NASA Solar System](https://solarsystem.nasa.gov/planets/)
 
-![](i/plutoplanetkm.jpg)
+![](i/planetplutokm.jpg)