diff --git a/controls/README.md b/controls/README.md
index 456ed8fa19fc7eadf759c1bcef4e33d3bffdbb7b..73a083da07ae91fd36559a78de28311e3ff30f58 100644
--- a/controls/README.md
+++ b/controls/README.md
@@ -1,3 +1,6 @@
 # Controls
 
-_TODO_
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+This folder contains the files used in developing the model of the quadcopter.
+
+# Documentation
+[Measuring Motor Resistance](documentation/MeasuringMotorResistance.pdf)  
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