diff --git a/Cheatsheet.txt b/Cheatsheet.txt
new file mode 100644
index 0000000..eb3fc8a
--- /dev/null
+++ b/Cheatsheet.txt
@@ -0,0 +1,17 @@
+Welcome to Cheatsheet.txt, licensed under CC-0. No attribution required.
+But it is writen by Diskette (diskette@dailitation.xyz)
+
+Information regarding the flags are in dkimpy repository.
+
+[__init__.py]
+Initialization file,
+
+class dkimMilter, a milter for dkim
+
+define check_dkim, I assume that this checks dkim, how?
+
+def sign_dkim
+
+
+[dnsplyug.py]
+File for interfacing with DNS
diff --git a/README.md b/README.md
index 06e9559..d17062d 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ Please do note that there might be some mistakes along the way... No warranty is
 
 This implements support for internationalized email address (RFC 8616)
 
+Cheatsheet.txt is a file for my (diskette@dailitation.xyz) personal note taking.
+
 # OVERVIEW
 
 This is a DKIM signing and verification milter.  It has been tested with both