Merge pull request #24902 from jnm2/grammar

Grammar fix

build/Targets/Imports.targets

@@ -421,7 +421,7 @@
          set though we need to error out and provide a link to get the correct SDK installed.
       -->
     <Error 
-      Text="The $(ShortSdkVersion) SDK is required to build this repo. It can be install here https://dotnetcli.blob.core.windows.net/dotnet/Sdk/2.2.0-preview1-007622/dotnet-sdk-2.2.0-preview1-007622-win-x64.exe"
+      Text="The $(ShortSdkVersion) SDK is required to build this repo. It can be installed here: https://dotnetcli.blob.core.windows.net/dotnet/Sdk/2.2.0-preview1-007622/dotnet-sdk-2.2.0-preview1-007622-win-x64.exe"
       Condition="'$(UsingMicrosoftNETSdk)' == ''" />
   </Target>