diff --git a/spring-boot-actuator/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/spring-boot-actuator/src/main/resources/META-INF/additional-spring-configuration-metadata.json
index 4434012aaf..b636a87aab 100644
--- a/spring-boot-actuator/src/main/resources/META-INF/additional-spring-configuration-metadata.json
+++ b/spring-boot-actuator/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -44,7 +44,7 @@
     "name": "spring.pidfile",
     "dataType": "java.lang.String",
     "description": "The location of the PID file to write (if ApplicationPidFileWriter is used).",
-    sourceType: "org.springframework.boot.actuate.system.ApplicationPidFileWriter"
+    "sourceType": "org.springframework.boot.actuate.system.ApplicationPidFileWriter"
   }
 ]}