diff --git a/dist/index.js b/dist/index.js
index 1d21d2d..82e804c 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -37853,7 +37853,7 @@ async function getContributorsList() {
 						return;
 					}
 
-					return `Co-authored-by: ${username} <${dotOrg}@git.wordpress.org>`;
+					return `Co-Authored-By: ${username} <${dotOrg}@git.wordpress.org>`;
 				})
 				.filter((el) => el)
 				.join("\n")
diff --git a/src/contribution-collector.js b/src/contribution-collector.js
index 39ce902..f507dd8 100644
--- a/src/contribution-collector.js
+++ b/src/contribution-collector.js
@@ -210,7 +210,7 @@ export async function getContributorsList() {
 						return;
 					}
 
-					return `Co-authored-by: ${username} <${dotOrg}@git.wordpress.org>`;
+					return `Co-Authored-By: ${username} <${dotOrg}@git.wordpress.org>`;
 				})
 				.filter((el) => el)
 				.join("\n")