diff --git a/Partial-Overlaps-of-Many-Body-Wavefunctions.md b/Partial-Overlaps-of-Many-Body-Wavefunctions.md
index 93f8b72..3993b05 100644
--- a/Partial-Overlaps-of-Many-Body-Wavefunctions.md
+++ b/Partial-Overlaps-of-Many-Body-Wavefunctions.md
@@ -12,9 +12,9 @@ Expectation: all pairs of states are mutually orthogonal, but some are more
 orthogonal than others.
 
 Formally, one can start from
-\[
-PO\_{ab} (s) = \int\_0^{L-s} dx \psi^\dagger\_a \psi\_b
-\]
+
+$PO\_{ab} (s) = \int\_0^{L-s} dx \psi^\dagger\_a \psi\_b$
+
 with $s$ between $0$ and $L$.
 
 For which systems can this partial overlap be computed exactly?