[ci skip] Remove references to 'PHP5' from comments
diff --git a/system/core/Security.php b/system/core/Security.php
index 181ace2..4b204ad 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -439,7 +439,7 @@
 
 		/*
 		 * Remove disallowed Javascript in links or img tags
-		 * We used to do some version comparisons and use of stripos for PHP5,
+		 * We used to do some version comparisons and use of stripos(),
 		 * but it is dog slow compared to these simplified non-capturing
 		 * preg_match(), especially if the pattern exists in the string
 		 *
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index 8fdb5f7..7d2253e 100644
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -225,7 +225,7 @@
 				$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
 			}
 
-			// foreach (scandir($source_dir, 1) as $file) // In addition to being PHP5+, scandir() is simply not as fast
+			// Used to be foreach (scandir($source_dir, 1) as $file), but scandir() is simply not as fast
 			while (FALSE !== ($file = readdir($fp)))
 			{
 				if (is_dir($source_dir.$file) && $file[0] !== '.' && $top_level_only === FALSE)