diff --git a/js/app/views/StatisticsUI.js b/js/app/views/StatisticsUI.js
index 9571eb8..62a272e 100644
--- a/js/app/views/StatisticsUI.js
+++ b/js/app/views/StatisticsUI.js
@@ -233,7 +233,7 @@ Ext.define('amdaUI.StatisticsUI',
                                                 xtype: 'combo', queryMode: 'local',
                                                 //emptyText : 'please click to select function',
                                                 store: ['min', 'max', 'mean', 'RMS', 'median', 'variance', 'skewness', 'kurtosis',
-                                                    'count', 'countNotNan', 'countTrue','firstValue','middeleIntervalValue','lastValue'],
+                                                    'count', 'countNotNan', 'countTrue','firstValue','middleIntervalValue','lastValue'],
                                                 triggerAction: 'all',
                                                 //lazyInit: false,
                                                 listeners: {
--
libgit2 0.21.2