diff --git a/unit02_symmetric/lab/new_lab02.docx b/unit02_symmetric/lab/new_lab02.docx
index d7587d2..0a1cce9 100644
Binary files a/unit02_symmetric/lab/new_lab02.docx and b/unit02_symmetric/lab/new_lab02.docx differ
diff --git a/unit02_symmetric/lab/new_lab02.pdf b/unit02_symmetric/lab/new_lab02.pdf
index a871397..e7b4190 100644
Binary files a/unit02_symmetric/lab/new_lab02.pdf and b/unit02_symmetric/lab/new_lab02.pdf differ