[Minor] Fix percents output in R_PARTS_DIFFER

diff --git a/rules/misc.lua b/rules/misc.lua
index cd6a760280edd42294f143dd620daa964e7a437d..2ea175a804f02e64b0c32a2665baf2755cd37aab 100644 (file)
--- a/rules/misc.lua
+++ b/rules/misc.lua
@@ -101,7 +101,8 @@ 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