diff --git a/src/main/java/org/xerial/snappy/SnappyFramedInputStream.java b/src/main/java/org/xerial/snappy/SnappyFramedInputStream.java
index ad6494d..d10ba46 100644
--- a/src/main/java/org/xerial/snappy/SnappyFramedInputStream.java
+++ b/src/main/java/org/xerial/snappy/SnappyFramedInputStream.java
@@ -257,7 +257,7 @@ public final class SnappyFramedInputStream extends InputStream implements
      *            The destination to write decompressed content to.
      * @return The number of bytes transferred.
      * @throws IOException
-     * @since 1.2
+     * @since 1.1.1
      */
     public long transferTo(OutputStream os) throws IOException {
         if (os == null) {
@@ -296,7 +296,7 @@ public final class SnappyFramedInputStream extends InputStream implements
      *            The destination to write decompressed content to.
      * @return The number of bytes transferred.
      * @throws IOException
-     * @since 1.2
+     * @since 1.1.1
      */
     public long transferTo(WritableByteChannel wbc) throws IOException {
         if (wbc == null) {
diff --git a/src/main/java/org/xerial/snappy/SnappyFramedOutputStream.java b/src/main/java/org/xerial/snappy/SnappyFramedOutputStream.java
index 1f82c6a..f7474c7 100644
--- a/src/main/java/org/xerial/snappy/SnappyFramedOutputStream.java
+++ b/src/main/java/org/xerial/snappy/SnappyFramedOutputStream.java
@@ -104,6 +104,7 @@ public final class SnappyFramedOutputStream extends OutputStream implements
      * @param out
      *            The underlying {@link WritableByteChannel} to write to. Must
      *            not be {@code null}.
+     * @since 1.1.1
      * @throws IOException
      */
     public SnappyFramedOutputStream(WritableByteChannel out) throws IOException {
@@ -123,6 +124,7 @@ public final class SnappyFramedOutputStream extends OutputStream implements
      *            Defines the minimum compression ratio (
      *            {@code compressedLength / rawLength}) that must be achieved to
      *            write the compressed data. This must be in (0, 1.0].
+     * @since 1.1.1
      * @throws IOException
      */
     public SnappyFramedOutputStream(WritableByteChannel out, int blockSize,
@@ -257,7 +259,7 @@ public final class SnappyFramedOutputStream extends OutputStream implements
      *            The source of data to compress.
      * @return The number of bytes read from <i>is</i>.
      * @throws IOException
-     * @since 1.2
+     * @since 1.1.1
      */
     public long transferFrom(InputStream is) throws IOException {
         if (closed) {
@@ -301,7 +303,7 @@ public final class SnappyFramedOutputStream extends OutputStream implements
      *            The source of data to compress.
      * @return The number of bytes read from <i>rbc</i>.
      * @throws IOException
-     * @since 1.2
+     * @since 1.1.1
      */
     public long transferFrom(ReadableByteChannel rbc) throws IOException {
         if (closed) {