diff --git a/HTMLversion/contents.hhc b/HTMLversion/contents.hhc
index ce67c8bce..cc9c0c3e1 100644
--- a/HTMLversion/contents.hhc
+++ b/HTMLversion/contents.hhc
@@ -286,6 +286,18 @@
 			<param name="Name" value="RATES">
 			<param name="Local" value="html\phreeqc3-39.htm#50593793_97907">
 			</OBJECT>
+		<LI> <OBJECT type="text/sitemap">
+			<param name="Name" value="RATE_PARAMETERS_HERMANSKA">
+			<param name="Local" value="HTML\rate-parameters_hermanska.htm">
+			</OBJECT>
+		<LI> <OBJECT type="text/sitemap">
+			<param name="Name" value="RATE_PARAMETERS_PK">
+			<param name="Local" value="HTML\rate-parameters_pk.htm">
+			</OBJECT>
+		<LI> <OBJECT type="text/sitemap">
+			<param name="Name" value="RATE_PARAMETERS_SVD">
+			<param name="Local" value="HTML\rate-parameters_svd.htm">
+			</OBJECT>
 		<LI> <OBJECT type="text/sitemap">
 			<param name="Name" value="REACTION">
 			<param name="Local" value="html\phreeqc3-40.htm#50593793_75635">