Add newline at end of file

Signed-off-by: lucperkins <lucperkins@gmail.com>

content/docs/introduction/glossary.md

@@ -122,3 +122,4 @@ being included in notifications.
 ### Target
 
 A target is the definition of an object to scrape. For example, what labels to apply, any authentication required to connect, or other information that defines how the scrape will occur.
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