diff --git a/Backend-libXML/Parser.py b/Backend-libXML/Parser.py
index 1a93562..7dcb211 100644
--- a/Backend-libXML/Parser.py
+++ b/Backend-libXML/Parser.py
@@ -2,7 +2,7 @@ from lxml import etree
 from io import BytesIO
 
 
-def format(source: str, prettify: bool) -> str:
+def formatXML(source: str, prettify: bool) -> str:
     """Method used to format XML
 
     :param source: XML to format
@@ -85,17 +85,17 @@ def xsd(source: str, xsd: str) -> bool:
     
 def xslt(source: str, xslt: str) -> str:
     """
-    Method used to transformate XML string using XSLT
+    Method used to transform XML string using XSLT
 
     :param source: XML string to transform
-    :param xslt: XSLT string used to transformate XML
+    :param xslt: XSLT string used to transform XML
     :return: Result of transformation
     """
     xslt_input = BytesIO(xslt.encode("utf-8"))
-    xslt_transform = etree.XSLT(etree.parse(xslt_input).getroot())
+    xslt_transform = etree.XSLT(etree.parse(xslt_input))
 
     document_input = BytesIO(source.encode("utf-8"))
     xml = etree.parse(document_input).getroot()
 
-    result = xml.xslt(xslt_transform).decode()
-    return result
\ No newline at end of file
+    transformed = str(xslt_transform(xml))
+    return formatXML(transformed, True)
\ No newline at end of file
diff --git a/Backend-libXML/main.py b/Backend-libXML/main.py
index 46fe1fc..c0a962b 100644
--- a/Backend-libXML/main.py
+++ b/Backend-libXML/main.py
@@ -37,9 +37,9 @@ def process_xml(request: request, type: str) -> str:
         elif (type == "xpath"):
             response_json['result'] = Parser.xpath(data, process)
         elif (type == "prettify"):
-            response_json['result'] = Parser.format(data, True)
+            response_json['result'] = Parser.formatXML(data, True)
         elif (type == "minimize"):
-            response_json['result'] = Parser.format(data, False)
+            response_json['result'] = Parser.formatXML(data, False)
         else:
             raise ValueError("Valid operation types are: xsd, xslt, xpath")