<apex:pageBlock title="Manuals">
        <apex:pageBlockTable value="{!urlmap}" var="key">
            <apex:column value="{!key}"/>
            <apex:column width="150px">
                 <apex:outputtext rendered="{IF(CONTAINS({!key},'Manual'),true, false)}">
                <apex:outputLink value="{!urlmap[key]}">Click here to download</apex:outputLink>
                </apex:outputtext>
            </apex:column>
        </apex:pageBlockTable>
    </apex:pageBlock>