Another README fix. (#345)

Author: vcsjones

README.md

@@ -37,11 +37,11 @@ AzureSignTool can be installed in a couple of ways.
 You can install AzureSignTool from NuGet using
 
 ```powershell
-dotnet tool install --global --version 7.0.0 AzureSignTool
+dotnet tool install --global --version 7.0.1 AzureSignTool
 AzureSignTool.exe
 ```
 
-It is recommended to specify an exact version such as 7.0.0, or a latest major-minor, like 7.0.* so that major versions, which often include a breaking change, are not automatically picked up.
+It is recommended to specify an exact version such as 7.0.1, or a latest major-minor, like 7.0.* so that major versions, which often include a breaking change, are not automatically picked up.
 
 #### DNX