diff --git a/lectures/L23-slides.tex b/lectures/L23-slides.tex
index 5e0fe1e..e8940a7 100644
--- a/lectures/L23-slides.tex
+++ b/lectures/L23-slides.tex
@@ -501,7 +501,7 @@
 
 	In the examples in the course we know that two participants are traitors and I've said they are L5 and L6.
 
-	Therefore we could replace whatever they say with a question mark in the able rather than any particular answer, because they are liars.
+	Therefore we could replace whatever they say with a question mark in the table rather than any particular answer, because they are liars.
 
 	In real life though, \textit{some} message is received -- attack or retreat -- and it's only later we could identify which participants are the traitors.
 \end{frame}