diff --git a/src/lib/grammar/diagram.html b/src/lib/grammar/diagram.html
index e5fc4f27..de219247 100644
--- a/src/lib/grammar/diagram.html
+++ b/src/lib/grammar/diagram.html
@@ -1,6 +1,6 @@
 <table class="table">
     <tbody>
-        <tr><td id="FilParser.g4_program"><h4>program</h4></td><td><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="railroad-diagram" width="845" height="91" viewBox="0 0 845 91">
+        <tr><td id="FilParser.g4_program"><h4>program</h4></td><td><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="railroad-diagram" width="977" height="91" viewBox="0 0 977 91">
 <style type="text/css">svg.railroad-diagram {
     background-color: hsl(30,20%,95%);
 }
@@ -33,14 +33,14 @@
 <g>
 <path d="M40 51h0">
 </path>
-<path d="M804 51h0">
+<path d="M936 51h0">
 </path>
 <path d="M40 51h20">
 </path>
 <g>
 <path d="M60 51h0">
 </path>
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+<path d="M916 51h0">
 </path>
 <path d="M60 51h10">
 </path>
@@ -137,114 +137,146 @@
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 <path d="M384 51h0">
 </path>
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+<path d="M866 51h0">
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+<path d="M654 51h0">
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+<g>
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+</path>
+<path d="M634 51h0">
+</path>
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+<g>
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+<path d="M552 51h0">
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+<text x="518" y="55">
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 </g>
-<path d="M522 51h20">
+<path d="M552 51h10">
+</path>
+<path d="M562 51h10">
+</path>
+<g>
+<path d="M572 51h0">
+</path>
+<path d="M624 51h0">
+</path>
+<text x="598" y="56" class="comment">
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+<path d="M624 51h10">
+</path>
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+<path d="M634 51h20">
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 </rect>
-<a xlink:href="#FilParser.g4_expression"><text x="602" y="55">
+<a xlink:href="#FilParser.g4_expression"><text x="734" y="55">
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