Index: graphspell-js/dawg.js
==================================================================
--- graphspell-js/dawg.js
+++ graphspell-js/dawg.js
@@ -26,11 +26,11 @@
         A word is a list of numbers [ c1, c2, c3 . . . cN, iAffix, iTags]
         Each arc is an index in this.lArcVal, where are stored characters, suffix/affix codes for stemming and tags.
         Important: As usual, the last node (after ‘iTags’) is tagged final, AND the node after ‘cN’ is ALSO tagged final.
     */
 
-    constructor (lEntrySrc, sLangName, cStemming, xProgressBarNode=null) {
+    constructor (lEntrySrc, sLang, cStemming, xProgressBarNode=null) {
         console.log("===== Direct Acyclic Word Graph - Minimal Acyclic Finite State Automaton =====");
         let funcStemmingGen = null;
         switch (cStemming.toUpperCase()) {
             case "A":
                 funcStemmingGen = str_transform.defineAffixCode; break;
@@ -102,11 +102,12 @@
         for (let sAff of dAff.keys()) { lKeyVal.push([dAff.get(sAff)+nChar, dAffOccur.get(sAff)]); }
         for (let sTag of dTag.keys()) { lKeyVal.push([dTag.get(sTag)+nChar+nAff, dTagOccur.get(sTag)]); }
         let dValOccur = new Map(lKeyVal);
         lKeyVal.length = 0; // clear the array
 
-        this.sLang = sLangName;
+        this.sHeader = "/pyfsa/";
+        this.sLang = sLang;
         this.nEntry = lWord.length;
         this.aPreviousEntry = [];
         oNodeCounter.reset();
         this.oRoot = new DawgNode();
         this.lUncheckedNodes = [];          // list of nodes that have not been checked for duplication.
@@ -366,12 +367,12 @@
                 sByDic += oNode.convToBytes1(this.nBytesArc, this.nBytesNodeAddress);
             }
         }
         let oJSON = {
             "sName": this.sName,
-            "nVersion": this.nMethod,
-            "sHeader": this.sHeader,
+            "nVersion": nMethod,
+            "sHeader": this.sHeader + nMethod + "/",
             "lArcVal": this.lArcVal,
             "nArcVal": this.nArcVal,
             "byDic": sByDic,
             "sLang": this.sLang,
             "nChar": this.nChar,