Fix case of package name in render call in pm file

Templates/layout.html.ep.tem

@@ -38,6 +38,7 @@
 	%}
 
 	%#Routing to partials according to trt parameter.
+	%#This ought to be cascading if/then/elsif, but is easier to just stack the if/then's rather like a case statement'
 	<tal:block tal:repeat="condition conditions">
 	% if ($$${prefix}_data->{trt} eq "${condition}") {
 		%= include 'partials/_${prefix}_${condition}'