Fixed typo in the environment variable 'WebsiteInstanceId', and changed comments.

Author: ob1dev

src/Sitecore.Azure.Diagnostics/App_Config/Include/Sitecore.Azure.Diagnostics.config

@@ -53,7 +53,7 @@
           
           blobUri - The URI of the blob that is addressable using the following URL format:
                   - Local Environment: http://<storage account>.blob.core.windows.net/<container>/<blob>
-                  - Role Environment:  http://<storage account>.blob.core.windows.net/<container>/<DeploymentId>/<RoleInstanceId>/<blob>
+                  - Role Environment:  http://<storage account>.blob.core.windows.net/<container>/<WebsiteName>/<WebsiteInstanceId>/<blob>
                   
           bufferSize - The size of the local buffer where logging events are collected before logging them.
                      - When the buffer's size is reached, oldest events are deleted as new events are added to the buffer.

src/Sitecore.Azure.Diagnostics/Storage/AzureBlobStorageProvider.cs

@@ -37,7 +37,7 @@ public class AzureBlobStorageProvider : ProviderBase
     /// <summary>
     /// The web apps environment variables that contains the VM's id where the site is running on.
     /// </summary>
-    private const string WebsiteInstanceIdEnvVar = "WEBSITE_INSTANCE_ID ";
+    private const string WebsiteInstanceIdEnvVar = "WEBSITE_INSTANCE_ID";
 
     /// <summary>
     /// The cloud BLOB client.
@@ -251,7 +251,7 @@ public virtual ICloudBlob CreateBlob(string blobName)
 
       string webRoleRelativeAddress = this.GetWebsiteRelativeAddress();
 
-      // Build blob name for a Role Environment using the following format: {DeploymentId}/{RoleInstanceId}/{BlobName}.
+      // Build blob name for a Role Environment using the following format: {WebsiteName}/{WebsiteInstanceId}/{BlobName}.
       blobName = string.IsNullOrEmpty(webRoleRelativeAddress) ? blobName : $"{webRoleRelativeAddress}/{blobName}";
 
       var blob = this.CloudBlobContainer.Exists() ?
@@ -356,7 +356,7 @@ public virtual ICollection<ICloudBlob> ListBlobs(CloudBlobContainer container, s
     /// Gets the WebRole relative address.
     /// </summary>
     /// <returns>
-    /// The WebRole address that includes {DeploymentId}/{RoleInstanceId}.
+    /// The WebRole address that includes {WebsiteName}/{WebsiteInstanceId}.
     /// </returns>
     protected virtual string GetWebsiteRelativeAddress()
     {