diff --git a/README.md b/README.md
index a85ac30..21fb36a 100644
--- a/README.md
+++ b/README.md
@@ -41,5 +41,5 @@ curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin
 
 -- send PDF directly to LRS
 
-curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"Process PDF file with LRS\", \"description\":\"Process the file using LRS.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"false\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/SendPDF.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ]}, \"contentType\":\"application/pdf\" }"
+curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"Process PDF file with LRS\", \"description\":\"Process a PDF file using LRS.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"false\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/SendPDF.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ]}, \"contentType\":\"application/pdf\" }"