feat(storage): update

Author: SamyOubouaziz

pages/object-storage/how-to/host-healthcare-data.mdx

@@ -76,7 +76,7 @@ Objects in a compliant bucket must be encrypted to make sure data is protected.
 
 Scaleway's SSE-C (**S**erver-**S**ide **E**ncryption with **C**ustomer-provided keys) mechanism guarantees that objects uploaded to the bucket are properly encrypted.
 
-You can check that your objects are properly encrypted by performing a simple `HeadObject` operation on an encrypted object. Scaleway Object Storage will return a `400` error if SSE-C has been used to upload this object.
+You can check that your objects are properly encrypted by performing a simple `HeadObject` operation on an encrypted object without the SSE-C headers. Scaleway Object Storage will return a `400` error if SSE-C has been used to upload this object.
 
 Refer to the [dedicated documentation](/object-storage/api-cli/enable-sse-c/) for comprehensive information on how to encrypt objects using SSE-C.