diff --git a/contents.hhc b/contents.hhc
index 26ecf521c..699f1ca86 100644
--- a/contents.hhc
+++ b/contents.hhc
@@ -218,6 +218,10 @@
 			<param name="Name" value="LLNL_AQUEOUS_MODEL_PARAMETERS">
 			<param name="Local" value="html\phreeqc3-26.htm#50593793_10503">
 			</OBJECT>
+		<LI> <OBJECT type="text/sitemap">
+			<param name="Name" value="MEAN_GAMMAS">
+			<param name="Local" value="HTML\mean_gammas.htm">
+			</OBJECT>
 		<LI> <OBJECT type="text/sitemap">
 			<param name="Name" value="MIX">
 			<param name="Local" value="html\phreeqc3-27.htm#50593793_23725">
@@ -270,6 +274,18 @@
 			<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">