Docs: match between snippet to its description (#28296)

s/400/200/ in the text to match a snippet.

docs/reference/aggregations/pipeline/bucket-selector-aggregation.asciidoc

@@ -41,7 +41,7 @@ for more details) |Required |
  details)|Optional |`skip`
 |===
 
-The following snippet only retains buckets where the total sales for the month is more than 400:
+The following snippet only retains buckets where the total sales for the month is more than 200:
 
 [source,js]
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