diff --git a/java_tools/enum_to_string/src/main/java/com/rusefi/EnumsReader.java b/java_tools/enum_to_string/src/main/java/com/rusefi/EnumsReader.java
index d30d23e30c..4a884714cc 100644
--- a/java_tools/enum_to_string/src/main/java/com/rusefi/EnumsReader.java
+++ b/java_tools/enum_to_string/src/main/java/com/rusefi/EnumsReader.java
@@ -19,6 +19,9 @@ import java.util.TreeSet;
 
 import static com.devexperts.logging.Logging.getLogging;
 
+/**
+ * this class reads enum definition from a C/C++ header
+ */
 public class EnumsReader {
     private static final Logging log = getLogging(EnumsReader.class);
     private static final String ENUMCLASS_PREFIX = "enumclass";
diff --git a/java_tools/enum_to_string/src/main/java/com/rusefi/ToJavaEnum.java b/java_tools/enum_to_string/src/main/java/com/rusefi/ToJavaEnum.java
index 606b11218d..61253793e8 100644
--- a/java_tools/enum_to_string/src/main/java/com/rusefi/ToJavaEnum.java
+++ b/java_tools/enum_to_string/src/main/java/com/rusefi/ToJavaEnum.java
@@ -11,6 +11,9 @@ import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * produces java enum class from an enum defined in a C/C++ header
+ */
 public class ToJavaEnum {
 
     public static final String FORCE_2_BYTES_SIZE = "Force_2_bytes_size";