There is currently a typo in the last sentence, which this diff aims to fix:
--- a/MediaWiki:unusedcategoriestext
+++ b/MediaWiki:unusedcategoriestext
@@ -1,4 +1,4 @@
{{fmbox
|type = system
-|text = '''These categories are currently empty.'''<br />Empty categories are often candidates for deletion, however this is not always the case. In particular, there are some categories designed to flag up pages that need attention (e.g. [[:Category:Cleanup]]) which will be empty if no problems of that type exist. If most cases these categories are marked with the {{tl|EmptyCatGood}} template, but if in any doubt err on the side of caution.
+|text = '''These categories are currently empty.'''<br />Empty categories are often candidates for deletion, however this is not always the case. In particular, there are some categories designed to flag up pages that need attention (e.g. [[:Category:Cleanup]]) which will be empty if no problems of that type exist. In most cases these categories are marked with the {{tl|EmptyCatGood}} template, but if in any doubt err on the side of caution.
}}