diff --git a/.pryrc b/.pryrc
index b2b082c..e69de29 100644
--- a/.pryrc
+++ b/.pryrc
@@ -1 +0,0 @@
-require '/usr/src/app/classes/kenna_api_client.rb'
diff --git a/Dockerfile b/Dockerfile
index f4f52c2..c69e0a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,7 @@
-FROM ruby:2.4
+# uncomment the version of ruby that you want to run
+#FROM ruby:2.4
+#FROM ruby:2.5
+FROM ruby:2.6
 
 RUN mkdir /usr/src/app 
 ADD . /usr/src/app/ 
diff --git a/README.md b/README.md
index 928072d..a7db8b7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
 #### List of Tools
-- **generate_invite_code.rb** - generates an invite code for hackthebox.eu
+- **algorithms** - algorithms gem that i am writing to better learn algorithms.
+- **classes** - various classes that can be required and used.
+- **command_line** - scripts that can be used at a unix/linux commandline.
+- **generate_invite_code.rb** - generates an invite code for hackthebox.eu.
+- **data** - sample data. csvs, jsons, xmls.
+- **koans** - ruby koans.
+- **programming_books** - excercises and examples from ruby programming books.
\ No newline at end of file