diff --git a/docs/1_documentation.md b/docs/1_documentation.md
index 5624e6a..867c089 100644
--- a/docs/1_documentation.md
+++ b/docs/1_documentation.md
@@ -13,13 +13,14 @@
 
 Clinostats are usually used in biology for plants, cell cultures, and small animals such as fish.
 
-1 - OpenClino shall be robust to failures to not harm the animals or samples. 
-2 - OpenClino should operate in hot and humid environments such as incubators.
-3 - OpenClino should operate as a clinostat or RPM.
-
-At the moment it is a work in progress. I'm not an electrical engineer so this is 12v.
-Be careful with your electronics. 
-At the moment it functions as a clino but not an RPM. The motors can't start a new direction or speed independently.
+1 OpenClino shall be robust to failures to not harm the animals or samples. 
+4 Openclino must be simple, accessible, and affordable, requiring no machining.
+2 OpenClino should operate in hot and humid environments such as incubators.
+3 OpenClino should operate as a clinostat or RPM.
+
+At the moment it is a work in progress.
+I'm not an electrical engineer so this is 12v. Be careful with your electronics. 
+At the moment it functions as a clino but not a true RPM. The motors can't start a new direction or speed independently.
 You can buy waterproof nema17s and have the electronics outside of the incubator if needed.
 
 ## Code
@@ -28,6 +29,7 @@ The code is work in progress, it requires the following:
  - control multiple motors.
  - acceleration.
  - docs.
+ - Implementing the airbus algorithm for variable G.
 
 ## Notation
 TODO make a figure defining part names