(maint) update RefreshEnv messaging

Make it clear that one is for powershell.exe and the other is for
cmd.exe. They have different methods of refreshing the environment
variables and only share a command name.

src/chocolatey.resources/helpers/functions/Update-SessionEnvironment.ps1

@@ -54,7 +54,7 @@ None
   }
 
   if ($refreshEnv) {
-    Write-Output "Refreshing environment variables from the registry..."
+    Write-Output "Refreshing environment variables from the registry for powershell.exe. Please wait..."
   } else {
     Write-Verbose "Refreshing environment variables from the registry."
   }

src/chocolatey.resources/redirects/RefreshEnv.cmd

@@ -9,7 +9,7 @@
 :: environment every time you want environment changes to propagate
 
 ::echo "RefreshEnv.cmd only works from cmd.exe, please install the Chocolatey Profile to take advantage of refreshenv from PowerShell"
-echo | set /p dummy="Refreshing environment variables from registry for cmd.exe. Please wait... "
+echo | set /p dummy="Refreshing environment variables from registry for cmd.exe. Please wait..."
 
 goto main
 
@@ -52,5 +52,5 @@ goto main
     :: Set these variables
     call "%TEMP%\_env.cmd"
 
-    echo | set /p dummy="Done"
+    echo | set /p dummy="Finished."
     echo .