Add more info about the rankingScoreThreshold (#3327)

Author: qdequele

reference/api/search.mdx

@@ -1136,7 +1136,7 @@ The code sample below returns the `_rankingScoreDetail` when searching for `drag
 **Expected value**: A number between `0.0` and `1.0`<br />
 **Default value**: `null`
 
-Excludes results below the specified ranking score.
+Excludes results below the specified ranking score. The threshold applies to all search types including full-text search, semantic search, and hybrid search.
 
 Excluded results do not count towards `estimatedTotalHits`, `totalHits`, and facet distribution.