diff --git a/src/main/java/org/opensearch/index/codec/customcodecs/Lucene912CustomCodec.java b/src/main/java/org/opensearch/index/codec/customcodecs/Lucene912CustomCodec.java
index 0d925c9..692360e 100644
--- a/src/main/java/org/opensearch/index/codec/customcodecs/Lucene912CustomCodec.java
+++ b/src/main/java/org/opensearch/index/codec/customcodecs/Lucene912CustomCodec.java
@@ -23,7 +23,7 @@
  *
  * Extends {@link FilterCodec} to reuse the functionality of Lucene Codec.
  * Supports two modes zstd and zstd_no_dict.
- * Uses Lucene99 as the delegate codec
+ * Uses Lucene912 as the delegate codec
  *
  * @opensearch.internal
  */
diff --git a/src/main/java/org/opensearch/index/codec/customcodecs/QatDeflate912Codec.java b/src/main/java/org/opensearch/index/codec/customcodecs/QatDeflate912Codec.java
index 565928d..62365ad 100644
--- a/src/main/java/org/opensearch/index/codec/customcodecs/QatDeflate912Codec.java
+++ b/src/main/java/org/opensearch/index/codec/customcodecs/QatDeflate912Codec.java
@@ -23,18 +23,18 @@
 import static org.opensearch.index.codec.customcodecs.backward_codecs.lucene99.Lucene99QatCodec.DEFAULT_COMPRESSION_LEVEL;
 
 /**
- * QatDeflate99Codec provides a DEFLATE compressor using the <a
+ * QatDeflate912Codec provides a DEFLATE compressor using the <a
  * href="https://github.com/intel/qat-java">qat-java</a> library.
  */
 public class QatDeflate912Codec extends Lucene912QatCodec implements CodecSettings, CodecAliases {
 
-    /** Creates a new QatDeflate99Codec instance with the default compression level. */
+    /** Creates a new QatDeflate912Codec instance with the default compression level. */
     public QatDeflate912Codec() {
         this(DEFAULT_COMPRESSION_LEVEL);
     }
 
     /**
-     * Creates a new QatDeflate99Codec instance.
+     * Creates a new QatDeflate912Codec instance.
      *
      * @param compressionLevel The compression level.
      */
@@ -43,7 +43,7 @@ public QatDeflate912Codec(int compressionLevel) {
     }
 
     /**
-     * Creates a new QatDeflate99Codec instance with the default compression level.
+     * Creates a new QatDeflate912Codec instance with the default compression level.
      *
      * @param compressionLevel The compression level.
      * @param supplier supplier for QAT acceleration mode.
@@ -53,7 +53,7 @@ public QatDeflate912Codec(int compressionLevel, Supplier<QatZipper.Mode> supplie
     }
 
     /**
-     * Creates a new QatDeflate99Codec instance.
+     * Creates a new QatDeflate912Codec instance.
      *
      * @param mapperService The mapper service.
      * @param logger The logger.
@@ -64,7 +64,7 @@ public QatDeflate912Codec(MapperService mapperService, Logger logger, int compre
     }
 
     /**
-     * Creates a new QatDeflate99Codec instance.
+     * Creates a new QatDeflate912Codec instance.
      *
      * @param mapperService The mapper service.
      * @param logger The logger.
diff --git a/src/main/java/org/opensearch/index/codec/customcodecs/QatLz4912Codec.java b/src/main/java/org/opensearch/index/codec/customcodecs/QatLz4912Codec.java
index 39267e2..5a85aa4 100644
--- a/src/main/java/org/opensearch/index/codec/customcodecs/QatLz4912Codec.java
+++ b/src/main/java/org/opensearch/index/codec/customcodecs/QatLz4912Codec.java
@@ -23,18 +23,18 @@
 import static org.opensearch.index.codec.customcodecs.backward_codecs.lucene99.Lucene99QatCodec.DEFAULT_COMPRESSION_LEVEL;
 
 /**
- * QatLz499Codec provides an LZ4 compressor using the <a
+ * QatLz4912Codec provides an LZ4 compressor using the <a
  * href="https://github.com/intel/qat-java">qat-java</a> library.
  */
 public class QatLz4912Codec extends Lucene912QatCodec implements CodecSettings, CodecAliases {
 
-    /** Creates a new QatLz499Codec instance with the default compression level. */
+    /** Creates a new QatLz4912Codec instance with the default compression level. */
     public QatLz4912Codec() {
         this(DEFAULT_COMPRESSION_LEVEL);
     }
 
     /**
-     * Creates a new QatLz499Codec instance.
+     * Creates a new QatLz4912Codec instance.
      *
      * @param compressionLevel The compression level.
      */
@@ -43,7 +43,7 @@ public QatLz4912Codec(int compressionLevel) {
     }
 
     /**
-     * Creates a new QatLz499Codec instance with the default compression level.
+     * Creates a new QatLz4912Codec instance with the default compression level.
      *
      * @param compressionLevel The compression level.
      * @param supplier supplier for QAT acceleration mode.
@@ -53,7 +53,7 @@ public QatLz4912Codec(int compressionLevel, Supplier<QatZipper.Mode> supplier) {
     }
 
     /**
-     * Creates a new QatLz499Codec instance.
+     * Creates a new QatLz4912Codec instance.
      *
      * @param mapperService The mapper service.
      * @param logger The logger.
@@ -64,7 +64,7 @@ public QatLz4912Codec(MapperService mapperService, Logger logger, int compressio
     }
 
     /**
-     * Creates a new QatLz499Codec instance.
+     * Creates a new QatLz4912Codec instance.
      *
      * @param mapperService The mapper service.
      * @param logger The logger.