diff --git a/inputs/lecture_03.tex b/inputs/lecture_03.tex
index d47ef80..8d354de 100644
--- a/inputs/lecture_03.tex
+++ b/inputs/lecture_03.tex
@@ -251,6 +251,8 @@
 
 
 
+    [To be continued]
+    \phantom\qedhere
 
 \end{refproof}