diff --git a/docs/ce1/math115.md b/docs/ce1/math115.md
index 20004ea..e467c4b 100644
--- a/docs/ce1/math115.md
+++ b/docs/ce1/math115.md
@@ -160,8 +160,8 @@ $$|z|=0 \iff z=0$$
 The modulus of the conjugate is equal to the modulus of the original.
 $$|\overline{z}| = |z|$$
 
-The number multiplied by the conjugate modulus is the square of the modulus.
-$$z|\overline{z}|=|z|^2$$
+The number multiplied by the conjugate is the square of the modulus.
+$$z\overline{z}=|z|^2$$
 
 Moduli are also almost just a factor:
 $$