Fix a typo

Change-Id: I64e1b5fa390d33bc42862e2d7442789e3914aa44
diff --git a/frc971/control_loops/python/control_loop.py b/frc971/control_loops/python/control_loop.py
index 7301390..57d427d 100644
--- a/frc971/control_loops/python/control_loop.py
+++ b/frc971/control_loops/python/control_loop.py
@@ -428,13 +428,13 @@
   def __init__(self, name):
     super(HybridControlLoop, self).__init__(name=name)
 
-  def Discritize(self, dt):
+  def Discretize(self, dt):
     [self.A, self.B, self.Q, self.R] = \
         controls.kalmd(self.A_continuous, self.B_continuous,
                        self.Q_continuous, self.R_continuous, dt)
 
   def PredictHybridObserver(self, U, dt):
-    self.Discritize(dt)
+    self.Discretize(dt)
     self.X_hat = self.A * self.X_hat + self.B * U
     self.P = (self.A * self.P * self.A.T + self.Q)