diff --git a/README.md b/README.md
index d128cc9..4cb9429 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,36 @@
-# CrackedNTDStoXLSX
\ No newline at end of file
+# CrackedNTDStoXLSX
+
+## Usage
+
+```
+$ ./CrackedNTDStoXLSX.py 
+usage: CrackedNTDStoXLSX.py [-h] [--use-ldaps] [-debug] [-a ATTRIBUTES] -x XLSX -n NTDS [--dc-ip ip address] [--kdcHost FQDN KDC] [-d DOMAIN] [-u USER]
+                            [--no-pass | -p PASSWORD | -H [LMHASH:]NTHASH | --aes-key hex key] [-k]
+
+CrackedNTDStoXLSX.py
+
+options:
+  -h, --help            show this help message and exit
+  --use-ldaps           Use LDAPS instead of LDAP
+  -debug                Debug mode
+  -a ATTRIBUTES, --attribute ATTRIBUTES
+                        Attributes to extract.
+  -x XLSX, --xlsx XLSX  Output results to an XLSX file.
+  -n NTDS, --ntds NTDS  Output results to an XLSX file.
+
+authentication & connection:
+  --dc-ip ip address    IP Address of the domain controller or KDC (Key Distribution Center) for Kerberos. If omitted it will use the domain part (FQDN) specified in the identity parameter
+  --kdcHost FQDN KDC    FQDN of KDC for Kerberos.
+  -d DOMAIN, --domain DOMAIN
+                        (FQDN) domain to authenticate to
+  -u USER, --user USER  user to authenticate with
+
+  --no-pass             don't ask for password (useful for -k)
+  -p PASSWORD, --password PASSWORD
+                        password to authenticate with
+  -H [LMHASH:]NTHASH, --hashes [LMHASH:]NTHASH
+                        NT/LM hashes, format is LMhash:NThash
+  --aes-key hex key     AES key to use for Kerberos Authentication (128 or 256 bits)
+  -k, --kerberos        Use Kerberos authentication. Grabs credentials from .ccache file (KRB5CCNAME) based on target parameters. If valid credentials cannot be found, it will use the ones specified in the
+                        command line
+```