Improve knowledge baseHEADmaster

1 files changed, 1 insertions, 1 deletions

diff --git a/source/know/concept/pauli-exclusion-principle/index.md b/source/know/concept/pauli-exclusion-principle/index.md
index 9821718..5b83b69 100644
--- a/source/know/concept/pauli-exclusion-principle/index.md
+++ b/source/know/concept/pauli-exclusion-principle/index.md
@@ -106,7 +106,7 @@ $$\begin{aligned}
     = C \Ket{a}\Ket{a}
 \end{aligned}$$
 
-However, for fermions, the state is unnormalizable and thus unphysical:
+However, for fermions, the state is unnormalizable and therefore unphysical:
 
 $$\begin{aligned}
     \Ket{\Psi(a, a)}_f