diff --git a/docs/faq.tex b/docs/faq.tex
index f187245..401439f 100644
--- a/docs/faq.tex
+++ b/docs/faq.tex
@@ -1,8 +1,11 @@
 %!TEX root = ceres.tex
 \chapter{Frequently Asked Questions}
 \label{chapter:faq}
+\newcomment{Question}
+\newcomment{Answer}
 \commentsoff{Question}
 \commentsoff{Answer}
+
 \begin{enumerate}
 \item \begin{Question}
 Why does Ceres use blocks (ParameterBlocks and ResidualBlocks) ?