Update AnalyticsEfficiency.json

Workbooks/AnalyticsEfficiency.json

@@ -603,7 +603,7 @@
                 {
                   "type": 1,
                   "content": {
-                    "json": "#### Selected rules by MITRE ATT&CK tactics coverage\nThis chart shows each rule's MITRE ATT&CK tactics, as configured at the rule's creation.\n\nWe aspire to have full coverage. For more complete MITRE ATT&CK coverage, use Azure Sentinel templates.
+                    "json": "#### Selected rules by MITRE ATT&CK tactics coverage\nThis chart shows each rule's MITRE ATT&CK tactics, as configured at the rule's creation.\n\nWe aspire to have full coverage. For more complete MITRE ATT&CK coverage, use Azure Sentinel templates."
                   },
                   "name": "text - 5"
                 },