Update documentation to explicitly say page blobs are not supported

Author: OCDolan

articles/storage/blobs/blobfuse2-what-is.md

@@ -13,7 +13,7 @@ ms.custom: engagement-fy23
 
 # What is BlobFuse? - BlobFuse2
 
-BlobFuse is a virtual file system driver for Azure Blob Storage. Use BlobFuse to access your existing Azure block blob data through the Linux file system.
+BlobFuse is a virtual file system driver for Azure Blob Storage. Use BlobFuse to access your existing Azure **block blob** data through the Linux file system. **Page blob**s are not supported.
 
 ## About the BlobFuse2 open source project