diff --git a/manual/advanced_topics/main.tex b/manual/advanced_topics/main.tex
index 7bbfcee093..b3f9ff6686 100644
--- a/manual/advanced_topics/main.tex
+++ b/manual/advanced_topics/main.tex
@@ -256,7 +256,7 @@ will display it permanently.
 
 \begin{itemize}
 \item {\config{\%Vl{\textbar}'identifier'{\textbar}\dots{\textbar}}}
-This tag preloads a viewport for later display. 'identifier' is a single
+This tag preloads a viewport for later display. `identifier' is a single
 lowercase letter (a-z) and the '\dots' parameters use the same logic as
 the \config{\%V} tag explained above.
 \item {\config{\%Vd'identifier'}} Display the 'identifier' viewport.