diff --git a/chapters/functions.tex b/chapters/functions.tex
index 866d25abb..89fa465ad 100644
--- a/chapters/functions.tex
+++ b/chapters/functions.tex
@@ -2243,13 +2243,15 @@ \subsection{Annotations for External Libraries and Include Files}\label{annotati
     input Real x;
     output Real y;
     external "C"
-    y=ExternalFunc1_ext(x) annotation(Library="ExternalLib1",Include="#include \"ExternalFunc1.h\"");
+    y=ExternalFunc1_ext(x) annotation(Library="ExternalLib1",
+      Include="#include \"ExternalFunc1.h\"");
   end ExternalFunc1;
 
   function ExternalFunc2
     input Real x;
     output Real y;
-    external "C" annotation(Library="ExternalLib2", Include="#include \"ExternalFunc2.h\"");
+    external "C" annotation(Library="ExternalLib2", 
+      Include="#include \"ExternalFunc2.h\"");
   end ExternalFunc2;
 
   function ExternalFunc3