diff --git a/inputs/lecture_17.tex b/inputs/lecture_17.tex
index 028d331..c50cc74 100644
--- a/inputs/lecture_17.tex
+++ b/inputs/lecture_17.tex
@@ -174,7 +174,7 @@ Let
 We have
 \begin{IEEEeqnarray*}{rCl}
     \Lambda &=& \{\omega | \liminf_N X_N(\omega) < \limsup_N X_N(\omega)\}\\
-            &=& \{\omega | \liminf_N X_N(\omega) < a < b \limsup_N X_N(\omega)\} \\
+            &=& \{\omega | \liminf_N X_N(\omega) < a < b < \limsup_N X_N(\omega)\} \\
             &=& \bigcup_{a,b \in \Q} \underbrace{\{\omega | \liminf_N X_N(\omega) < a < b < \limsup_N X_N(\omega)\}}_{\Lambda_{a,b}} \\
 \end{IEEEeqnarray*}