diff --git a/docs/ad/index.md b/docs/ad/index.md
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--- a/docs/ad/index.md
+++ b/docs/ad/index.md
@@ -52,7 +52,7 @@ In this case, a feature is the field in your index that you to check for anomali
 
 For example, if you choose `min()`, the detector focuses on finding anomalies based on the minimum values of your feature. If you choose `average()`, the detector finds anomalies based on the average values of your feature.
 
-A multi-feature model correlates anomalies across all its features. The [curse of dimensionality](https://en.wikipedia.org/wiki/Curse_of_dimensionality) makes it less likely for multi-feature models to identify smaller anomalies as compared to a single-feature model. Adding more features might negatively impact the [precision and recall](https://en.wikipedia.org/wiki/Precision_and_recall) of a model. A higher proportion of noise in your data might further amplify this negative impact. We recommend adding fewer features to your detector for a higher accuracy. By default, the maximum number of features for a detector is 5. You can adjust this limit with the `opendistro.anomaly_detection.max_anomaly_features` setting.
+A multi-feature model correlates anomalies across all its features. The [curse of dimensionality](https://en.wikipedia.org/wiki/Curse_of_dimensionality) makes it less likely for multi-feature models to identify smaller anomalies as compared to a single-feature model. Adding more features might negatively impact the [precision and recall](https://en.wikipedia.org/wiki/Precision_and_recall) of a model. A higher proportion of noise in your data might further amplify this negative impact. Selecting the optimal feature set is usually an iterative process. We recommend experimenting with a historical detector with different feature sets and checking the precision before moving on to real-time detectors. By default, the maximum number of features for a detector is 5. You can adjust this limit with the `opendistro.anomaly_detection.max_anomaly_features` setting.
 {: .note }
 
 1. On the **Model configuration** page, enter the **Feature name**.