diff --git a/transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannel.java b/transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannel.java
index 099b9f2b70..ef1a29ed5d 100644
--- a/transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannel.java
+++ b/transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannel.java
@@ -80,7 +80,7 @@ public final class NioDatagramChannel
              *  Use the {@link SelectorProvider} to open {@link SocketChannel} and so remove condition in
              *  {@link SelectorProvider#provider()} which is called by each DatagramChannel.open() otherwise.
              *
-             *  See <a href="See https://github.com/netty/netty/issues/2308">#2308</a>.
+             *  See <a href="https://github.com/netty/netty/issues/2308">#2308</a>.
              */
             return provider.openDatagramChannel();
         } catch (IOException e) {
diff --git a/transport/src/main/java/io/netty/channel/socket/nio/NioServerSocketChannel.java b/transport/src/main/java/io/netty/channel/socket/nio/NioServerSocketChannel.java
index 3281d193bb..ae2d76f94b 100644
--- a/transport/src/main/java/io/netty/channel/socket/nio/NioServerSocketChannel.java
+++ b/transport/src/main/java/io/netty/channel/socket/nio/NioServerSocketChannel.java
@@ -52,7 +52,7 @@ public class NioServerSocketChannel extends AbstractNioMessageChannel
              *  Use the {@link SelectorProvider} to open {@link SocketChannel} and so remove condition in
              *  {@link SelectorProvider#provider()} which is called by each ServerSocketChannel.open() otherwise.
              *
-             *  See <a href="See https://github.com/netty/netty/issues/2308">#2308</a>.
+             *  See <a href="https://github.com/netty/netty/issues/2308">#2308</a>.
              */
             return provider.openServerSocketChannel();
         } catch (IOException e) {
diff --git a/transport/src/main/java/io/netty/channel/socket/nio/NioSocketChannel.java b/transport/src/main/java/io/netty/channel/socket/nio/NioSocketChannel.java
index a7b9310575..4f949eff19 100644
--- a/transport/src/main/java/io/netty/channel/socket/nio/NioSocketChannel.java
+++ b/transport/src/main/java/io/netty/channel/socket/nio/NioSocketChannel.java
@@ -55,7 +55,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
              *  Use the {@link SelectorProvider} to open {@link SocketChannel} and so remove condition in
              *  {@link SelectorProvider#provider()} which is called by each SocketChannel.open() otherwise.
              *
-             *  See <a href="See https://github.com/netty/netty/issues/2308">#2308</a>.
+             *  See <a href="https://github.com/netty/netty/issues/2308">#2308</a>.
              */
             return provider.openSocketChannel();
         } catch (IOException e) {