diff --git a/common/src/main/java/io/netty/util/internal/Hidden.java b/common/src/main/java/io/netty/util/internal/Hidden.java
index 043c561609..ac1219848b 100644
--- a/common/src/main/java/io/netty/util/internal/Hidden.java
+++ b/common/src/main/java/io/netty/util/internal/Hidden.java
@@ -22,7 +22,7 @@ import reactor.blockhound.integration.BlockHoundIntegration;
 
 
 /**
- * Contains classes that must be have public visibility but are not public API.
+ * Contains classes that must have public visibility but are not public API.
  */
 class Hidden {