diff --git a/README.md b/README.md
index 7e7e4a3..4fc79d4 100644
--- a/README.md
+++ b/README.md
@@ -179,7 +179,7 @@ jobs:
             console.log(result)
 ```
 
-### Run customer GraphQL queries
+### Run custom GraphQL queries
 
 You can use the `github.graphql` object to run custom GraphQL queries against the GitHub API.