diff --git a/docs/index-type-operator.md b/docs/index-type-operator.md
index 3bcde82..51880d5 100644
--- a/docs/index-type-operator.md
+++ b/docs/index-type-operator.md
@@ -1,4 +1,4 @@
-# `index` type operators
+# `index` type operator
 
 ## Summary
 
@@ -74,4 +74,4 @@ A drawback to this feature is the possible increase in cost of maintenance. In t
 
 ## Alternatives
 
-An alternative to the proposed implementation is utilizing inexact table types and exact table types (to be implemented) to handle the edge in a simpler manner. If we know that the indexee is an inexact table type, the index type operator can return the `unknown` type. If we know that the indexee is an exact table type, we can return an error.
\ No newline at end of file
+An alternative to the proposed implementation is utilizing inexact table types and exact table types (to be implemented) to handle the edge in a simpler manner. If we know that the indexee is an inexact table type, the index type operator can return the `unknown` type. If we know that the indexee is an exact table type, we can return an error.