Update doc

Author: ShellCode33

docs/getting-started/usage-own-project.rst

@@ -7,22 +7,23 @@ The easiest way to retrieve credentials from a pcap is as follow :
 
 .. code-block:: python
 
-    from credslayer.manager import process_pcap
+    from credslayer import process_pcap
 
     if __name__ == "__main__":
         credentials = process_pcap("my_capture.pcap").get_list_of_all_credentials()
 
         for creds in credentials:
             print(creds)
 
-I you want to perform a live capture and process credentials as they come, you can use a callback as follow :
+If you want to perform a live capture and process credentials as they come, you can use a callback as follow :
 
 .. code-block:: python
 
-    from credslayer.manager import active_processing
+    from credslayer import active_processing
+    from credslayer.core.utils import Credentials
 
     def process_found_credentials(credentials: Credentials):
         print("Found:", credentials)
 
     if __name__ == "__main__":
-        active_processing("wlp2s0", callback=process_found_credentials)
+        active_processing("wlp2s0", creds_found_callback=process_found_credentials)