[Minor] Fix percents output in R_PARTS_DIFFER

diff --git a/rules/misc.lua b/rules/misc.lua
index 68a64f7befc34ff0e3190c6849b323f9f9638a06..11f482562f18a0fd29c5325f0ecb9317f5480aed 100644 (file)
--- a/rules/misc.lua
+++ b/rules/misc.lua
@@ -50,7 +50,8 @@ rspamd_config.R_PARTS_DIFFER = function(task)
           -- We are not so confident about difference
           score = (nd - 0.5)
         end
-        task:insert_result('R_PARTS_DIFFER', score, tostring(100.0 * nd) .. '%')
+        task:insert_result('R_PARTS_DIFFER', score,
+          string.format('%.1f%%', tostring(100.0 * nd)))
       end
     end
   end