diff --git a/website/docs/language/expressions/custom-conditions.mdx b/website/docs/language/expressions/custom-conditions.mdx
index b215006b5b..0faec5232a 100644
--- a/website/docs/language/expressions/custom-conditions.mdx
+++ b/website/docs/language/expressions/custom-conditions.mdx
@@ -163,7 +163,7 @@ output "api_base_url" {
 }
 ```
 
-### Choosing Between Preconditions and PostConditions
+### Choosing Between Preconditions and Postconditions
 
 You can often implement a validation check as either a postcondition of the resource producing the data or as a precondition of a resource or output value using the data. To decide which is most appropriate, consider whether the check is representing either an assumption or a guarantee.