diff --git a/specification/iothub/resource-manager/readme.md b/specification/iothub/resource-manager/readme.md
index 0c3a9ebcb580..8627648ed396 100644
--- a/specification/iothub/resource-manager/readme.md
+++ b/specification/iothub/resource-manager/readme.md
@@ -26,22 +26,22 @@ These are the global settings for the IotHub API.
 
 ``` yaml
 openapi-type: arm
-tag: package-2020-08
+tag: package-2020-08-31
 ```
 
-### Tag: package-2020-08
+### Tag: package-2020-08-31
 
-These settings apply only when `--tag=package-2020-08` is specified on the command line.
+These settings apply only when `--tag=package-2020-08-31` is specified on the command line.
 
-```yaml $(tag) == 'package-2020-08'
+```yaml $(tag) == 'package-2020-08-31'
 input-file:
   - Microsoft.Devices/stable/2020-08-31/iothub.json
 ```
-### Tag: package-preview-2020-08
+### Tag: package-preview-2020-08-31
 
-These settings apply only when `--tag=package-preview-2020-08` is specified on the command line.
+These settings apply only when `--tag=package-preview-2020-08-31` is specified on the command line.
 
-``` yaml $(tag) == 'package-preview-2020-08'
+``` yaml $(tag) == 'package-preview-2020-08-31'
 input-file:
   - Microsoft.Devices/preview/2020-08-31-preview/iothub.json
 ```