diff --git a/lua/zapret-auto.lua b/lua/zapret-auto.lua
index c6bf628..8265fcb 100644
--- a/lua/zapret-auto.lua
+++ b/lua/zapret-auto.lua
@@ -208,13 +208,13 @@ end
 -- resets counter if success is detected
 -- increases counter if failure is detected
 -- returns true if failure counter exceeds threshold
-function failure_check(desync, hrec, crec)
+function automate_failure_check(desync, hrec, crec)
 	if crec.nocheck then return false end
 
 	local failure_detector, success_detector
 	if desync.arg.failure_detector then
 		if type(_G[desync.arg.failure_detector])~="function" then
-			error("success_failure_check: invalid failure detector function '"..desync.arg.failure_detector.."'")
+			error("automate_failure_check: invalid failure detector function '"..desync.arg.failure_detector.."'")
 		end
 		failure_detector = _G[desync.arg.failure_detector]
 	else
@@ -222,7 +222,7 @@ function failure_check(desync, hrec, crec)
 	end
 	if desync.arg.success_detector then
 		if type(_G[desync.arg.success_detector])~="function" then
-			error("success_failure_check: invalid success detector function '"..desync.arg.success_detector.."'")
+			error("automate_failure_check: invalid success detector function '"..desync.arg.success_detector.."'")
 		end
 		success_detector = _G[desync.arg.success_detector]
 	else
@@ -231,13 +231,13 @@ function failure_check(desync, hrec, crec)
 
 	if success_detector(desync, crec) then
 		crec.nocheck = true
-		DLOG("failure_check: success detected")
+		DLOG("automate_failure_check: success detected")
 		automate_failure_counter_reset(hrec)
 		return false
 	end
 	if failure_detector(desync, crec) then
 		crec.nocheck = true
-		DLOG("failure_check: failure detected")
+		DLOG("automate_failure_check: failure detected")
 		local fails = tonumber(desync.arg.fails) or 3
 		local maxtime = tonumber(desync.arg.time) or 60
 		return automate_failure_counter(hrec, crec, fails, maxtime)
@@ -313,7 +313,7 @@ function circular(ctx, desync)
 	local verdict = VERDICT_PASS
 	if hrec.final~=hrec.nstrategy then
 		local crec = automate_conn_record(desync)
-		if failure_check(desync, hrec, crec) then
+		if automate_failure_check(desync, hrec, crec) then
 			hrec.nstrategy = (hrec.nstrategy % hrec.ctstrategy) + 1
 			DLOG("circular: rotate strategy to "..hrec.nstrategy)
 			if hrec.nstrategy == hrec.final then