Apply suggestions from code review

Author: JillGrant615

learn-pr/philanthropies/describe-best-practices-datacenter-operations/includes/2-key-aspects-datacenter-monitoring.md

@@ -31,7 +31,7 @@ It's important to maintain optimal conditions that prevent equipment failure and
 Performance helps ensure that all IT resources (such as servers, storage, and networks) are performing as expected.
 
 **Key Elements**:
-- Server performance: Monitoring CPU usage, memory (RAM), disk health, and system load to ensure that servers are'nt overloaded or underperforming.
+- Server performance: Monitoring CPU usage, memory (RAM), disk health, and system load to ensure that servers aren't overloaded or underperforming.
 - Storage performance: Tracking the health of storage devices and systems (e.g., hard drives, SSDs) to ensure efficient data retrieval and storage.
 - Network performance: Monitoring the bandwidth and latency of network connections, ensuring that data flows smoothly and that the network is not congested.
 - Application performance: Ensuring that critical applications (e.g., 

learn-pr/philanthropies/describe-best-practices-datacenter-operations/includes/4-key-aspects-datacenter-maintenance.md

@@ -8,6 +8,6 @@ Let's now look at some of the important maintenance activities for datacenter co
 |**Power and electrical maintenance**|- Electrical distribution systems: This includes maintaining power distribution </br> - units (PDUs) and electrical panels, ensuring that power is distributed efficiently to all equipment. </br> - Backup power systems: Testing and maintaining backup generators and UPS systems to ensure power continuity during outages. Regular battery checks and load testing are also part of this maintenance.</br> - Energy efficiency: Regularly assessing the datacenter's energy consumption to improve efficiency, minimize waste, and implement energy saving measures.|
 |**Security maintenance**|- Physical Security Systems: Regular checks and updates of access control systems, biometric scanners, security cameras, and alarm systems to ensure the physical security of the facility. </br>- Cybersecurity measures: Ensuring that firewalls, intrusion detection/prevention systems, encryption protocols, and antivirus systems are up to date and functioning effectively to protect data from cyber threats.</br> - Surveillance: Routine checks of CCTV systems and monitoring software to identify any physical or digital security risks.|
 |**Environmental monitoring and maintenance**|- Temperature and humidity control: Constant monitoring and adjustment of the datacenter's temperature and humidity to ensure that conditions remain optimal for equipment. Adjustments are made to HVAC systems as necessary.</br> - Water leakage detection: Installing and maintaining water leak detection systems to prevent flooding from affecting critical equipment.</br> - Smoke and fire detection systems: Ensuring fire suppression systems and smoke detectors are operational, along with testing fire alarms and extinguishers to mitigate any risk of fire.|
-**Software and firmware maintenance**|- Operating system and software patches: Keeping the operating systems of servers and other hardware up to date with patches and security updates to protect against vulnerabilities.</br> - Firmware updates: Regularly updating firmware on hardware devices like servers, network equipment, and storage to enhance functionality, security, and compatibility. Monitoring and alerting systems: Maintaining software tools that monitor the health of the datacenter's systems (network, servers, power, etc.), ensuring they're up to date and optimized.|
+|**Software and firmware maintenance**|- Operating system and software patches: Keeping the operating systems of servers and other hardware up to date with patches and security updates to protect against vulnerabilities.</br> - Firmware updates: Regularly updating firmware on hardware devices like servers, network equipment, and storage to enhance functionality, security, and compatibility. Monitoring and alerting systems: Maintaining software tools that monitor the health of the datacenter's systems (network, servers, power, etc.), ensuring they're up to date and optimized.|
 |**Data backup and disaster recovery**|- Backup Systems maintenance: Ensuring that data backups are being properly made and stored. This involves checking the health of backup systems, ensuring redundancy, and verifying that backup data is recoverable. </br> - Disaster recovery testing: Regularly testing disaster recovery protocols to ensure that, in case of a failure, data can be restored quickly and the datacenter can be brought back online with minimal downtime.|
 |**Documentation and record keeping**|- Maintenance logs: Keeping detailed records of maintenance activities, repairs, system updates, and any incidents. This helps to track patterns, anticipate potential issues, and provide insight into the efficiency of the maintenance program.</br> - Compliance and audits: Ensuring that all maintenance activities adhere to industry standards and compliance regulations (such as ISO 27001, HIPAA, etc.). Regular audits help verify that the datacenter is compliant with regulatory requirements.