diff --git a/plugins/statistics.koplugin/main.lua b/plugins/statistics.koplugin/main.lua
index 973623228..87b723f34 100755
--- a/plugins/statistics.koplugin/main.lua
+++ b/plugins/statistics.koplugin/main.lua
@@ -490,6 +490,7 @@ function ReaderStatistics:saveSettings(fields)
 end
 
 function ReaderStatistics:onReadSettings(config)
+    -- delay initialization for accurate total pages count of the doc
     UIManager:scheduleIn(0.1, function() self:initData(config) end)
 end