diff --git a/config b/config
index 5073aca27278d793d18a887dd4d861ff7de54126..b99f1946354023fe407246eccb9351058915141e 160000
--- a/config
+++ b/config
@@ -1 +1 @@
-Subproject commit 5073aca27278d793d18a887dd4d861ff7de54126
+Subproject commit b99f1946354023fe407246eccb9351058915141e
diff --git a/intro.tex b/intro.tex
index 71a5c63b2b7da9d0456b5e20a48a15b18f7c486a..2b2760c93166c81b4b2a028dc05fa57bf3a9b808 100644
--- a/intro.tex
+++ b/intro.tex
@@ -20,7 +20,8 @@
   \fi
   \item
   BIND has no house rules, and never will.
-  Everyone has complete access to the files so you can just change the rules, and re-print the pdf.
+  Everyone has complete access to the files so you can just change the rules, and re-print the \gls{pdf}.
+  \glsadd{pdf}
 \end{itemize}
 
 \subsection*{Context}