diff --git a/docs/InternalsManual.html b/docs/InternalsManual.html
index eb36a79..640fd0b 100644
--- a/docs/InternalsManual.html
+++ b/docs/InternalsManual.html
@@ -233,7 +233,7 @@
     support the -C preprocessor mode, which passes comments through, and is
     used by the diagnostic checker to identifier expect-error annotations.</li>
 <li>The lexer can be in ParsingFilename mode, which happens when preprocessing
-    after reading a #include directive.  This mode changes the parsing of '<'
+    after reading a #include directive.  This mode changes the parsing of '&lt;'
     to return an "angled string" instead of a bunch of tokens for each thing
     within the filename.</li>
 <li>When parsing a preprocessor directive (after "<tt>#</tt>") the