diff --git a/Lib/profile.py b/Lib/profile.py
index db4079093ed..30f4dd4f0db 100755
--- a/Lib/profile.py
+++ b/Lib/profile.py
@@ -470,11 +470,11 @@ def calibrate(self, m, verbose=0):
         saved_bias = self.bias
         self.bias = 0
         try:
-            return self._callibrate_inner(m, verbose)
+            return self._calibrate_inner(m, verbose)
         finally:
             self.bias = saved_bias
 
-    def _callibrate_inner(self, m, verbose):
+    def _calibrate_inner(self, m, verbose):
         get_time = self.get_time
 
         # Set up a test case to be run with and without profiling.  Include