diff --git a/spheroid.hpp b/spheroid.hpp
index 92e2efb..93a647a 100644
--- a/spheroid.hpp
+++ b/spheroid.hpp
@@ -1,5 +1,5 @@
 /**
- * Defines an ellispoid, which is a basic interpretaion of the ball when it is
+ * Defines a spheroid, which is a basic interpretaion of the ball when it is
  * bouncing.
  **/