Update content/en/docs/howto/monitoring-troubleshooting/detect-and-resolve-performance-issues.md

Co-authored-by: Mark van Ments <35492184+MarkvanMents@users.noreply.github.com>

Author: Yiyun333

content/en/docs/howto/monitoring-troubleshooting/detect-and-resolve-performance-issues.md

@@ -124,7 +124,7 @@ Slow retrieves can occur for a number of different reasons, such as:
 Additionally, for details on how denormalization can improve your app performance in some cases, review [How to Denormalize Data to Improve Performance](/howto/data-models/denormalize-data-to-improve-performance/).
 
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-You can set up the [LogMinDurationQuery](/refguide/custom-settings/#LogMinDurationQuery) for debugging slow database queries (OQL and XPath). For debugging purposes, you can set the value to `500` milliseconds to see all the retrieves or commits that take longer than `500` milliseconds.
+You can set the [LogMinDurationQuery](/refguide/custom-settings/#LogMinDurationQuery) custom setting to debug slow database queries (OQL and XPath). For example, for debugging purposes, you could set the value to `500` milliseconds to see all the retrieves or commits that take longer than `500` milliseconds.
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 ### Slow Database Commits