diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/jdk9module/JDK9ModuleExporter.java b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/jdk9module/JDK9ModuleExporter.java
index 1a5e94fb3..8612b4b92 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/jdk9module/JDK9ModuleExporter.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/jdk9module/JDK9ModuleExporter.java
@@ -27,7 +27,7 @@ import org.apache.skywalking.apm.agent.core.logging.api.LogManager;
 import org.apache.skywalking.apm.agent.core.plugin.ByteBuddyCoreClasses;
 
 /**
- * Since JDK 9, module concept has been introduced. By supporting that, agent core needs to open the
+ * Since JDK 9, module concept has been introduced. By supporting that, agent core needs to open the read edge
  */
 public class JDK9ModuleExporter {
     private static final ILog LOGGER = LogManager.getLogger(JDK9ModuleExporter.class);