diff --git a/ceilometer/alarm/evaluator/threshold.py b/ceilometer/alarm/evaluator/threshold.py
index 0e13f9d89..7ba895dc2 100644
--- a/ceilometer/alarm/evaluator/threshold.py
+++ b/ceilometer/alarm/evaluator/threshold.py
@@ -78,7 +78,7 @@ class ThresholdEvaluator(evaluator.Evaluator):
             stddev = utils.stddev(statistics, key, mean)
             lower = mean - 2 * stddev
             upper = mean + 2 * stddev
-            inliers, outliers = utils.anomolies(statistics, key, lower, upper)
+            inliers, outliers = utils.anomalies(statistics, key, lower, upper)
             if outliers:
                 LOG.debug(_('excluded weak datapoints with sample counts %s'),
                           [s.count for s in outliers])
diff --git a/ceilometer/alarm/evaluator/utils.py b/ceilometer/alarm/evaluator/utils.py
index a905d14fe..544cfcd0a 100644
--- a/ceilometer/alarm/evaluator/utils.py
+++ b/ceilometer/alarm/evaluator/utils.py
@@ -54,8 +54,8 @@ def outside(s, key, lower=0.0, upper=0.0):
     return v < lower or v > upper
 
 
-def anomolies(s, key, lower=0.0, upper=0.0):
-    """Separate anomolous datapoints from the inliers.
+def anomalies(s, key, lower=0.0, upper=0.0):
+    """Separate anomalous data points from the in-liers.
     """
     inliers = []
     outliers = []