MDL-61861 core_tag: Correct langstring identifier

lang/en/tag.php

@@ -93,7 +93,7 @@
 $string['owner'] = 'Owner';
 $string['prevpage'] = 'Back';
 $string['privacy:metadata:tag'] = 'The details of each unique tag are stored alongside their description and other related information';
-$string['privacy:metadataetag:name'] = 'The name of the tag - this is the normalised version of the name.';
+$string['privacy:metadata:tag:name'] = 'The name of the tag - this is the normalised version of the name.';
 $string['privacy:metadata:tag:rawname'] = 'The name of the tag - this is the display name.';
 $string['privacy:metadata:tag:description'] = 'The description of the tag.';
 $string['privacy:metadata:tag:flag'] = 'Whether a tag has been flagged as inappropriate.';