Merge pull request #110498 from memildin/asc-melvyn-20200129

Tweak as requested in PR 101814 (re issue 46534)

Author: PRMerger15

articles/security-center/security-center-planning-and-operations-guide.md

@@ -21,7 +21,7 @@ This guide covers tasks that you can follow to optimize your use of Security Cen
 * Security Roles and Access Controls
 * Security Policies and Recommendations
 * Data Collection and Storage
-* Ongoing non-Azure resources
+* Onboarding non-Azure resources
 * Ongoing Security Monitoring
 * Incident Response