[Minor] Format floating point number

diff --git a/src/plugins/lua/ratelimit.lua b/src/plugins/lua/ratelimit.lua
index 15cbe953c8080576fb7ae2be4a8db4ecc22b76fb..7e1043caf818c6c1d0a3165005614ff646127d19 100644 (file)
--- a/src/plugins/lua/ratelimit.lua
+++ b/src/plugins/lua/ratelimit.lua
@@ -291,7 +291,7 @@ local function check_limits(task, args)
 
             if mult > 0.5 then
               task:insert_result(ratelimit_symbol, mult,
-                rtype .. ':' .. tostring(mult))
+                rtype .. ':' .. string.format('%.2f', mult))
             end
           else
             if bucket > threshold then