[SFTP] Add SSH password details

Include that SSH passwords are Azure generated and minimum 88 characters in length (subject to change)

Author: mikewill4

articles/storage/blobs/secure-file-transfer-protocol-support-how-to.md

@@ -110,7 +110,7 @@ To learn more about the SFTP permissions model, see [SFTP Permissions model](sec
    > [!IMPORTANT]
    > While you can enable both forms of authentication, SFTP clients can connect by using only one of them. Multifactor authentication, whereby both a valid password and a valid public and private key pair are required for successful authentication is not supported.
 
-   If you select **SSH Password**, then your password will appear when you've completed all of the steps in the **Add local user** configuration pane.
+   If you select **SSH Password**, then your password will appear when you've completed all of the steps in the **Add local user** configuration pane. Note that SSH passwords are generated by Azure and are minimum 88 characters in length.
 
    If you select **SSH Key pair**, then select **Public key source** to specify a key source. 
 
@@ -202,7 +202,7 @@ To learn more about the SFTP permissions model, see [SFTP Permissions model](sec
    $password 
    ```
    > [!IMPORTANT]
-   > You can't retrieve this password later, so make sure to copy the password, and then store it in a place where you can find it. If you lose this password, you'll have to generate a new one.
+   > You can't retrieve this password later, so make sure to copy the password, and then store it in a place where you can find it. If you lose this password, you'll have to generate a new one. Note that SSH passwords are generated by Azure and are minimum 88 characters in length.
 
 ### [Azure CLI](#tab/azure-cli)
 
@@ -236,7 +236,7 @@ To learn more about the SFTP permissions model, see [SFTP Permissions model](sec
    az storage account local-user regenerate-password --account-name contosoaccount -g contoso-resource-group -n contosouser  
    ```
    > [!IMPORTANT]
-   > You can't retrieve this password later, so make sure to copy the password, and then store it in a place where you can find it. If you lose this password, you'll have to generate a new one.
+   > You can't retrieve this password later, so make sure to copy the password, and then store it in a place where you can find it. If you lose this password, you'll have to generate a new one. Note that SSH passwords are generated by Azure and are minimum 88 characters in length.
 
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