test(aws): Update comment in mock_plan test to reflect usage of varia…

…bles more accurately

aws/tf/tests/mock_plan.tftest.hcl

@@ -27,10 +27,7 @@ mock_provider "databricks" {
 # ---------------
 # Variables
 # ---------------
-# The variables block below provides variable values for the SRA module directly, NOT the configuration that is found in
-# this directory (aws-gov/tf). This is because the module call in sra.tf contains values that must be overwritten by the
-# user of SRA. Calling the module directly allows us to provide these values as variables instead.
-#
+# The variables block below provides variable values for the configuration in this directory (tf/aws/variables.tf).
 # Note that the below values were generated by AI, and are not real values.
 
 variables {