diff --git a/src/Propel/Runtime/Util/Profiler.php b/src/Propel/Runtime/Util/Profiler.php
index 4df17fb72..ad8db6fe8 100644
--- a/src/Propel/Runtime/Util/Profiler.php
+++ b/src/Propel/Runtime/Util/Profiler.php
@@ -76,13 +76,13 @@ public function __construct(float $slowThreshold = 0.1, string $innerGlue = ': '
     }
 
     /**
-     * Set the duration which triggers the 'slow' label on details.
+     * Set the duration which triggers the 'slow' label on details, such as 0.1 (100ms) or 0.001 (1ms).
      *
-     * @param int $slowThreshold duration in seconds
+     * @param float $slowThreshold duration in seconds
      *
      * @return void
      */
-    public function setSlowThreshold(int $slowThreshold): void
+    public function setSlowThreshold(float $slowThreshold): void
     {
         $this->slowThreshold = $slowThreshold;
     }