diff --git a/README.md b/README.md
index a9d439a..8df9278 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1 @@
-# release
-
-```yaml
-uses: actions/release:1.0.0
-with:
-  # The owner and repository name seperated by a slash of the repository in which
-  # the release should be created. The repository must be on the same instance as
-  # the action is running on.
-  repository: ${{ github.repository }}
-  # The tag name of the git tag for which the release should be created and to
-  # which the artifacts should be attached to.
-  version: ${{ github.ref_name }}
-  # A boolean value or a regex pattern which will be evaluated against the version
-  # to determine if the created release will be saved as draft.
-  draft: false
-  # A boolean value or a regex pattern which will be evaluated against the version
-  # to determine if the created release will be marked as pre-release.
-  prerelease: false
-  # The label of the created release. Leave this empty to use the label of the
-  # referenced git tag.
-  label:
-  # The message of the created release. Leave this empty to use the notes of the
-  # referenced git tag.
-  notes:
-  # Paths to files which will be attached to the release. Can be multiple lines
-  # with file system globbing patterns. A line starting with ! will negate the
-  # pattern and act as exclude pattern.
-  attachments:
-```
+# release
\ No newline at end of file
diff --git a/github.go b/github.go
index 75635b7..d3a9498 100644
--- a/github.go
+++ b/github.go
@@ -44,7 +44,7 @@ func NewGitHub(client ApiClient) *GitHub {
 }
 
 func HasContentType(r *http.Response, mimetype string) bool {
-	contentType := r.Header.Get("content-type")
+	contentType := r.Header.Get("Content-type")
 	if contentType == "" {
 		return mimetype == "application/octet-stream"
 	}