diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/BaseFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/BaseFormat.java
index 6803251f9..f47fa12a4 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/BaseFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/BaseFormat.java
@@ -52,6 +52,8 @@ import org.eclipse.jgit.util.StringUtils;
 
 /**
  * Base format class
+ *
+ * @since 4.0
  */
 public class BaseFormat {
 
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
index c510c64c9..d56cb35d9 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
@@ -73,6 +73,9 @@ public final class TarFormat extends BaseFormat implements
 				Collections.<String, Object> emptyMap());
 	}
 
+	/**
+	 * @since 4.0
+	 */
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
 		TarArchiveOutputStream out = new TarArchiveOutputStream(s, "UTF-8"); //$NON-NLS-1$
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
index ba5348a15..f3ab4da43 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
@@ -71,6 +71,9 @@ public final class Tbz2Format extends BaseFormat implements
 				Collections.<String, Object> emptyMap());
 	}
 
+	/**
+	 * @since 4.0
+	 */
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
 		BZip2CompressorOutputStream out = new BZip2CompressorOutputStream(s);
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
index 71adca0e5..06f09a488 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
@@ -71,6 +71,9 @@ public final class TgzFormat extends BaseFormat implements
 				Collections.<String, Object> emptyMap());
 	}
 
+	/**
+	 * @since 4.0
+	 */
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
 		GzipCompressorOutputStream out = new GzipCompressorOutputStream(s);
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
index 197235913..14839353d 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
@@ -71,6 +71,9 @@ public final class TxzFormat extends BaseFormat implements
 				Collections.<String, Object> emptyMap());
 	}
 
+	/**
+	 * @since 4.0
+	 */
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
 		XZCompressorOutputStream out = new XZCompressorOutputStream(s);
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
index 0b5108ad0..0e1b2536f 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
@@ -72,6 +72,9 @@ public final class ZipFormat extends BaseFormat implements
 				Collections.<String, Object> emptyMap());
 	}
 
+	/**
+	 * @since 4.0
+	 */
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
 		return applyFormatOptions(new ZipArchiveOutputStream(s), o);