diff --git a/src/TemporaryDirectory.php b/src/TemporaryDirectory.php
index 13a9295..039928a 100644
--- a/src/TemporaryDirectory.php
+++ b/src/TemporaryDirectory.php
@@ -161,6 +161,10 @@ protected function deleteDirectory(string $path): bool
             }
         }
 
+       /*
+        * By forcing a php garbage collection cycle using gc_collect_cycles() we can ensure 
+        * that the rmdir does not fail due to files still being reserved in memory.
+        */
         gc_collect_cycles();
 
         return rmdir($path);