diff --git a/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java b/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
index 0950f456e298..7f53696ebe2c 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
@@ -125,7 +125,7 @@ private void configureCommonAttributes(Project project, AbstractAsciidoctorTask
 
 	private String determineGitHubTag(Project project) {
 		String version = "v" + project.getVersion();
-		return (version.endsWith("-SNAPSHOT")) ? "master" : version;
+		return (version.endsWith("-SNAPSHOT")) ? "main" : version;
 	}
 
 	private void configureOptions(AbstractAsciidoctorTask asciidoctorTask) {
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/index.adoc b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/index.adoc
index b235f0d29b6f..8e009e9dceee 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/index.adoc
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/index.adoc
@@ -10,7 +10,7 @@ Andy Wilkinson, Scott Frederick
 :docinfo: shared,private
 
 :dependency-management-plugin: https://github.com/spring-gradle-plugins/dependency-management-plugin
-:dependency-management-plugin-documentation: {dependency-management-plugin}/blob/master/README.md
+:dependency-management-plugin-documentation: {dependency-management-plugin}/blob/main/README.md
 :gradle-userguide: https://docs.gradle.org/current/userguide
 :gradle-dsl: https://docs.gradle.org/current/dsl
 :gradle-api: https://docs.gradle.org/current/javadoc