Fixed typos

app/views/costlog/_list.html.erb

@@ -5,7 +5,7 @@
   <%= sort_header_tag('user', :caption => l(:label_member)) %>
   <%= sort_header_tag('project', :caption => l(:label_project)) %>
   <%= sort_header_tag('issue', :caption => l(:label_issue), :default_order => 'desc') %>
-  <th><%= CostEntry.human_attribute_namel(:comment) %></th>
+  <th><%= CostEntry.human_attribute_name(:comment) %></th>
   <%= sort_header_tag('units', :caption => l(:label_units)) %>
   <%= sort_header_tag('costs', :caption => l(:label_overall_costs)) %>
   <th></th>

app/views/hourly_rates/edit.html.erb

@@ -15,7 +15,7 @@
 <%= error_messages_for 'user' %>
 <table class="list" style="width:auto">
   <thead><tr>
-    <th><%= Rate.human_attribute_namel(:valid_from) %></th>
+    <th><%= Rate.human_attribute_name(:valid_from) %></th>
     <th class="currency"><%= Rate.model_name.human %></th>
     <th></th>
   </tr></thead>