diff --git a/src/extension.ts b/src/extension.ts
index ddcb29ae..15afc755 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -150,10 +150,10 @@ export function activate(context: ExtensionContext) {
 
     const api = {
       //setXMLCatalog
-      setXMLCatalog: function (SFSettings) {
+      setXMLCatalog: function (externalSettings) {
 
-        SFSettings['xml']['catalogs'].forEach(element => {
-          if (!XMLsettings['xml']['catalogs'].includes(SFSettings['xml']['catalogs'])) {
+        externalSettings['xml']['catalogs'].forEach(element => {
+          if (!XMLsettings['xml']['catalogs'].includes(externalSettings['xml']['catalogs'])) {
             XMLsettings['xml']['catalogs'].push(element);
           }
         });
@@ -161,10 +161,10 @@ export function activate(context: ExtensionContext) {
         onConfigurationChange();
       },
       //set XMLFileAssoication
-      setXMLFileAssociation: function (SFSettings) {
-        SFSettings['xml']['fileAssociations'].forEach(element => {
+      setXMLFileAssociation: function (externalSettings) {
+        externalSettings['xml']['fileAssociations'].forEach(element => {
           if (!XMLsettings['xml']['fileAssociations'].some((element: { systemId: string; }) => {
-            return element.systemId === SFSettings['xml']['fileAssociations']['systemId'];
+            return element.systemId === externalSettings['xml']['fileAssociations']['systemId'];
           })) {
             XMLsettings['xml']['fileAssociations'].push(element);
           }