Fix group ID

Change-Id: Ib2b8f466c2d57b7cf8e765f4908c68c35dcb36d0
diff --git a/pom.xml b/pom.xml
index 4898585..ed0d372 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>de.ids_mannheim</groupId>
+    <groupId>de.ids_mannheim.korap.tokenizer</groupId>
     <artifactId>KorAP-Tokenizer</artifactId>
     <version>2.2.2</version>