Fixed a typo

Author: kcantrel

Monitoring/ingest_nas_audit_logs_into_cloudwatch/README-MANUAL.md

@@ -17,7 +17,7 @@ or by following the manual instructions found in the this file.
 - An S3 bucket to store the "stats" file and optionally a copy of all the raw NAS audit log files. It will also
 hold a Lambda layer file needed to be able to an add Lambda Layer from a CloudFormation script.
     - You will need to download the [Lambda layer zip file](https://raw.githubusercontent.com/NetApp/FSx-ONTAP-samples-scripts/main/Monitoring/ingest_nas_audit_logs_into_cloudwatch/lambda_layer.zip)
-    from this repo and upload it to the S3 bucket. Be sure to perserve the name `lambda_layer.zip`.
+    from this repo and upload it to the S3 bucket. Be sure to preserve the name `lambda_layer.zip`.
     - The "stats" file is maintained by the program. It is used to keep track of the last time the Lambda function
     successfully ingested audit logs from each SVM. Its size will be small (i.e. less than a few megabytes).
 - A CloudWatch log group to ingest the audit logs into. Each audit log file with get its own log stream within the log group.