diff --git a/src/main/java/com/google/protobuf/maven/ProtocCompileCustomMojo.java b/src/main/java/com/google/protobuf/maven/ProtocCompileCustomMojo.java
index 82e8d473..a97cc906 100644
--- a/src/main/java/com/google/protobuf/maven/ProtocCompileCustomMojo.java
+++ b/src/main/java/com/google/protobuf/maven/ProtocCompileCustomMojo.java
@@ -33,6 +33,7 @@ public final class ProtocCompileCustomMojo extends AbstractProtocCompileMojo {
      * <strong>Cannot</strong> be one of the built-in protoc plugins:
      * <ul>
      *     <li>java</li>
+     *     <li>javanano</li>
      *     <li>cpp</li>
      *     <li>python</li>
      *     <li>descriptor-set</li>
diff --git a/src/main/java/com/google/protobuf/maven/ProtocTestCompileCustomMojo.java b/src/main/java/com/google/protobuf/maven/ProtocTestCompileCustomMojo.java
index d8b095a1..ad20a482 100644
--- a/src/main/java/com/google/protobuf/maven/ProtocTestCompileCustomMojo.java
+++ b/src/main/java/com/google/protobuf/maven/ProtocTestCompileCustomMojo.java
@@ -33,6 +33,7 @@ public final class ProtocTestCompileCustomMojo extends AbstractProtocTestCompile
      * <strong>Cannot</strong> be one of the built-in protoc plugins:
      * <ul>
      *     <li>java</li>
+     *     <li>javanano</li>
      *     <li>cpp</li>
      *     <li>python</li>
      *     <li>descriptor-set</li>