Update app.py

app.py

@@ -2150,7 +2150,7 @@ class DocumentCheckResultsFormatter:
                 "types": ["Advisory Circular"],
                 "italics": True, 
                 "quotes": False,
-                "description": "For Advisory Circulars, referenced document titles should be italicized but not quoted",
+                "description": "For Advisory Circulars, referenced document titles should be italicized but not quoted.",
                 "example": "See AC 25.1309-1B, <i>System Design and Analysis</i>, for information on X."
             },
             "quotes_only": {
@@ -2161,14 +2161,14 @@ class DocumentCheckResultsFormatter:
                 ],
                 "italics": False, 
                 "quotes": True,
-                "description": "For this document type, referenced document titles should be in quotes without italics",
+                "description": "For this document type, referenced document titles should be in quotes without italics.",
                 "example": 'See AC 25.1309-1B, "System Design and Analysis," for information on X.'
             },
             "no_formatting": {
                 "types": ["Policy Statement", "Other"],
                 "italics": False, 
                 "quotes": False,
-                "description": "For this document type, referenced document titles should not use italics or quotes",
+                "description": "For this document type, referenced document titles should not use italics or quotes.",
                 "example": "See AC 25.1309-1B, System Design and Analysis, for information on X."
             }
         }