diff --git a/Terraform.gitignore b/Terraform.gitignore
index 1fef4ab9..29c51746 100644
--- a/Terraform.gitignore
+++ b/Terraform.gitignore
@@ -5,5 +5,8 @@
 *.tfstate
 *.tfstate.*
 
-# .tfvars files
-*.tfvars
+# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
+# .tfvars files are managed as part of configuration and so should be included in
+# version control.
+#
+# example.tfvars