diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8921a6d..5f67f50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/). It follows [some conventions](http://keepachangelog.com/).
  
+ ## [1.1.0] - 2017-09-20
+ ### Added
+- possibility to index EWTS text
+
  ## [1.0.0] - 2017-04-14
  ### Added
 - Maven packaging
diff --git a/pom.xml b/pom.xml
index 9351359..cd8b72f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>io.bdrc.lucene</groupId>
   <artifactId>lucene-bo</artifactId>
   <packaging>jar</packaging>
-  <version>1.0.0</version>
+  <version>1.1.0</version>
   <name>lucene-bo</name>
   <description>Tibetan Lucene analyzer and components</description>
   <url>https://github.com/BuddhistDigitalResourceCenter/lucene-bo</url>
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>io.bdrc.ewtsconverter</groupId>
       <artifactId>ewts-converter</artifactId>
-      <version>1.1.0</version>
+      <version>1.2.0</version>
     </dependency>
   </dependencies>
   <build>
diff --git a/src/main/java/io/bdrc/lucene/bo/TibWordTokenizer.java b/src/main/java/io/bdrc/lucene/bo/TibWordTokenizer.java
index cdcd2f5..9dbe5bc 100644
--- a/src/main/java/io/bdrc/lucene/bo/TibWordTokenizer.java
+++ b/src/main/java/io/bdrc/lucene/bo/TibWordTokenizer.java
@@ -66,9 +66,9 @@ public final class TibWordTokenizer extends Tokenizer {
 
 	/**
 	 * Constructs a TibWordTokenizer using the file designed by filename
-	 * @param filename
-	 * @throws FileNotFoundException
-	 * @throws IOException
+	 * @param filename the path to the lexicon file
+	 * @throws FileNotFoundException the file containing the lexicon cannot be found
+	 * @throws IOException the file containing the lexicon cannot be read
 	 */
 	public TibWordTokenizer(String filename) throws FileNotFoundException, IOException {
 		init(filename);
@@ -76,8 +76,8 @@ public TibWordTokenizer(String filename) throws FileNotFoundException, IOExcepti
 
 	/**
 	 * Constructs a TibWordTokenizer using a default lexicon file (here "resource/output/total_lexicon.txt") 
-	 * @throws FileNotFoundException
-	 * @throws IOException
+	 * @throws FileNotFoundException the file containing the lexicon cannot be found
+	 * @throws IOException the file containing the lexicon cannot be read
 	 */
 	public TibWordTokenizer() throws FileNotFoundException, IOException {
 		init("resource/output/total_lexicon.txt");
@@ -123,6 +123,9 @@ private void init(String filename) throws FileNotFoundException, IOException {
 	 * Called on each token character to normalize it before it is added to the
 	 * token. The default implementation does nothing. Subclasses may use this to,
 	 * e.g., lowercase tokens.
+	 * 
+	 * @param c the character to normalize
+	 * @return the normalized character
 	 */
 	protected int normalize(int c) {
 		return c;