diff --git a/src/5_atoms_and_lcao_solutions.md b/src/5_atoms_and_lcao_solutions.md
index b596624e67ad163ce8361e292e69beb9706e8457..6dcc06353ed460cea583dcc8f74cff7c1efc9ded 100644
--- a/src/5_atoms_and_lcao_solutions.md
+++ b/src/5_atoms_and_lcao_solutions.md
@@ -20,8 +20,8 @@
 1. $$
     \psi(x) =
     \begin{cases}
-        &\sqrt{\kappa}e^{\kappa(x-x_1)}, x⟨x_1\\
-        &\sqre{\kappa}e^{-\kappa(x-x_1)}, x\ranglex_1
+        &\sqrt{\kappa}e^{\kappa(x-x_1)}, x<x_1\\
+        &\sqrt{\kappa}e^{-\kappa(x-x_1)}, x>x_1
     \end{cases}
 $$