diff --git a/src/sumy_summarizer.py b/src/sumy_summarizer.py
index 2063908..7a8199d 100644
--- a/src/sumy_summarizer.py
+++ b/src/sumy_summarizer.py
@@ -8,9 +8,17 @@
 
 
 class PDFSummarizer(PDFToTextConverter):
+    """
+    A class that can be used to summarize text extracted from a PDF file.
+    Inherits from PDFToTextConverter, which extracts the text from the PDF file.
+
+    Attributes:
+    - LANGUAGE (str): The language to use for summarization. Default is "english".
+    - NUM_SENTENCES (int): The number of sentences to include in the summary. Default is 20.
 
     LANGUAGE = "english"
     NUM_SENTENCES = 20
+    """
 
     def __init__(self, filename) -> None:
         super().__init__(filename)