diff --git a/docs/sph4u7.md b/docs/sph4u7.md
index 07784ef..70660bf 100644
--- a/docs/sph4u7.md
+++ b/docs/sph4u7.md
@@ -106,7 +106,7 @@ $$\pu{1 u}=\pu{1.661\times10^{-27} kg}=\pu{9.315 MeVc^-2}$$
A higher **binding energy per nucleon** results in more energy required to break it apart and thus it being more stable.
-
(Source: Kognity)
+
(Source: Kognity)
!!! note
It is required to know the general shape of the curve, that $\pu{~8.8 MeV}$ is the maximum, and that the end boundaries are $0$ and $\pu{~7.5 MeV}$. It is also required to know the elements at each of those points (hydrogen-1, iron-56/nickel-62, and uranium-238).