Merge pull request #34056 from hashicorp/tests_docs_fixup

Fix typo on testing docs page

Author: ritsok

website/docs/language/tests/index.mdx

@@ -8,7 +8,7 @@ description: >-
 
 -> **Note:** This testing framework is available in Terraform v1.6.0 and later.
 
-Terraform tests allow authors to repeatability validate the functionality of their configuration in a safe environment.
+Terraform tests let authors validate that module configuration updates do not introduce breaking changes. Tests run against test-specific, short-lived resources, preventing any risk to your existing infrastructure or state. 
 
 ## Integration or Unit testing