Update docs for last template function

docs/content/templates/functions.md

@@ -76,11 +76,24 @@ e.g.
         {{ .Render "summary" }}
     {{ end }}
 
+### last
+Slices an array to only the last X elements.
+
+Works on [lists](/templates/list/), [taxonomies](/taxonomies/displaying/), [terms](/templates/terms/), [groups](/templates/list/)
+
+e.g.
+
+    {{ range last 10 .Data.Pages }}
+        {{ .Render "summary" }}
+    {{ end }}
+
 ### after
 Slices an array to only the items after the Xth item. Use this in 
 combination with `first` use both halves of an array split a item
 X.
 
+Works on [lists](/templates/list/), [taxonomies](/taxonomies/displaying/), [terms](/templates/terms/), [groups](/templates/list/)
+
 e.g.
 
     {{ range after 10 .Data.Pages }}