diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0InputStream.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0InputStream.java
index f559d329d..f7547921b 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0InputStream.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0InputStream.java
@@ -56,6 +56,10 @@ public class Amf0InputStream extends InputStream {
      */
     public DumpInfo dumpInfo;
 
+    /**
+     * Constructor
+     * @param is Input stream
+     */
     public Amf0InputStream(MemoryInputStream is) {
         this.is = is;
     }
@@ -68,6 +72,12 @@ public class Amf0InputStream extends InputStream {
         return ret;
     }
 
+    /**
+     * Reads bytes from the stream.
+     * @param count Count of bytes
+     * @return Array of bytes
+     * @throws IOException On I/O error
+     */
     public byte[] readBytes(int count) throws IOException {
         DataInputStream dais = new DataInputStream(is);
         byte[] ret = new byte[count];
@@ -485,12 +495,22 @@ public class Amf0InputStream extends InputStream {
         return value;
     }
 
+    /**
+     * Populates complex objects.
+     * @param values Values
+     * @param result Result
+     */
     public void populateComplexObjects(List<Object> values, List<Object> result) {
         for (Object value : values) {
             populateComplexObjects(value, result);
         }
     }
 
+    /**
+     * Populates complex objects.
+     * @param value Value
+     * @param result Result
+     */
     public void populateComplexObjects(Object value, List<Object> result) {
         if (result.contains(value)) {
             return;
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0OutputStream.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0OutputStream.java
index c1e98383b..1b045e07d 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0OutputStream.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf0/Amf0OutputStream.java
@@ -29,7 +29,7 @@ import java.io.OutputStream;
 import java.util.List;
 
 /**
- *
+ * AMF0 output stream.
  * @author JPEXS
  */
 public class Amf0OutputStream extends OutputStream {
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/amf/amf0/Amf0Exporter.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/amf/amf0/Amf0Exporter.java
index 3c5d56e91..128c2e926 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/amf/amf0/Amf0Exporter.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/amf/amf0/Amf0Exporter.java
@@ -41,6 +41,19 @@ import java.util.Map;
  */
 public class Amf0Exporter {
 
+    /**
+     * Constructor.
+     */
+    public Amf0Exporter() {
+    }   
+    
+    /**
+     * Converts AMF map to string.
+     * @param map Map
+     * @param level Level
+     * @param newLine Newline char
+     * @return String result
+     */
     public static String amfMapToString(
             Map<String, Object> map,
             int level,
@@ -81,6 +94,16 @@ public class Amf0Exporter {
         return sb.toString();
     }
 
+    /**
+     * Converts AMF to string
+     * @param value Value
+     * @param level Level
+     * @param newLine New line
+     * @param processedObjects Processed objects
+     * @param referenceCount Reference count
+     * @param objectAlias Object alias
+     * @return String result
+     */
     public static String amfToString(
             Object value,
             int level,
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/svg/SvgImageRendering.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/svg/SvgImageRendering.java
index a8be80f93..cdc05c7db 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/svg/SvgImageRendering.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/svg/SvgImageRendering.java
@@ -17,7 +17,7 @@
 package com.jpexs.decompiler.flash.importers.svg;
 
 /**
- *
+ * SVG image rendering.
  * @author JPEXS
  */
 public enum SvgImageRendering {