fixing custom note markdown

Author: v-dirichards

articles/search/vector-search-how-to-quantization.md

@@ -42,7 +42,8 @@ Two types of quantization are supported:
 
 - Binary quantization converts floats into binary bits, which takes up 1 bit. This results in up to 28 times reduced vector index size.
 
-**Note:** While free services support quantization, they may not demonstrate the full storage savings due to the limited storage quota.
+>[!Note]
+> While free services support quantization, they may not demonstrate the full storage savings due to the limited storage quota.
 
 ## Add "compressions" to a search index