diff --git a/includes/dashboard.php b/includes/dashboard.php
index c4c0ded5..e2940450 100755
--- a/includes/dashboard.php
+++ b/includes/dashboard.php
@@ -203,33 +203,3 @@ function DisplayDashboard(&$extraFooterScripts)
     $extraFooterScripts[] = array('src'=>'app/js/linkquality.js', 'defer'=>false);
 }
 
-
-/**
- * Get a human readable data size string from a number of bytes.
- *
- * @param  long $numbytes  The number of bytes.
- * @param  int  $precision The number of numbers to round to after the dot/comma.
- * @return string Data size in units: PB, TB, GB, MB or KB otherwise an empty string.
- */
-function getHumanReadableDatasize($numbytes, $precision = 2)
-{
-    $humanDatasize = '';
-    $kib = 1024;
-    $mib = $kib * 1024;
-    $gib = $mib * 1024;
-    $tib = $gib * 1024;
-    $pib = $tib * 1024;
-    if ($numbytes >= $pib) {
-        $humanDatasize = ' ('.round($numbytes / $pib, $precision).' PB)';
-    } elseif ($numbytes >= $tib) {
-        $humanDatasize = ' ('.round($numbytes / $tib, $precision).' TB)';
-    } elseif ($numbytes >= $gib) {
-        $humanDatasize = ' ('.round($numbytes / $gib, $precision).' GB)';
-    } elseif ($numbytes >= $mib) {
-        $humanDatasize = ' ('.round($numbytes / $mib, $precision).' MB)';
-    } elseif ($numbytes >= $kib) {
-        $humanDatasize = ' ('.round($numbytes / $kib, $precision).' KB)';
-    }
-
-    return $humanDatasize;
-}
diff --git a/includes/functions.php b/includes/functions.php
index af505380..fa4dc0b8 100755
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -1,6 +1,36 @@
 <?php
 /* Functions for Networking */
 
+/**
+ * Get a human readable data size string from a number of bytes.
+ *
+ * @param  long $numbytes  The number of bytes.
+ * @param  int  $precision The number of numbers to round to after the dot/comma.
+ * @return string Data size in units: PB, TB, GB, MB or KB otherwise an empty string.
+ */
+function getHumanReadableDatasize($numbytes, $precision = 2)
+{
+    $humanDatasize = '';
+    $kib = 1024;
+    $mib = $kib * 1024;
+    $gib = $mib * 1024;
+    $tib = $gib * 1024;
+    $pib = $tib * 1024;
+    if ($numbytes >= $pib) {
+        $humanDatasize = ' ('.round($numbytes / $pib, $precision).' PB)';
+    } elseif ($numbytes >= $tib) {
+        $humanDatasize = ' ('.round($numbytes / $tib, $precision).' TB)';
+    } elseif ($numbytes >= $gib) {
+        $humanDatasize = ' ('.round($numbytes / $gib, $precision).' GB)';
+    } elseif ($numbytes >= $mib) {
+        $humanDatasize = ' ('.round($numbytes / $mib, $precision).' MB)';
+    } elseif ($numbytes >= $kib) {
+        $humanDatasize = ' ('.round($numbytes / $kib, $precision).' KB)';
+    }
+
+    return $humanDatasize;
+}
+
 /**
  * Converts a netmask to CIDR notation string
  *
@@ -136,6 +166,13 @@ function getDefaultNetOpts($svc)
 
 /* Functions to write ini files */
 
+/**
+ * Writes a configuration to an .ini file
+ *
+ * @param array $array
+ * @param string $file
+ * @return boolean
+ */
 function write_php_ini($array, $file)
 {
     $res = array();
@@ -156,6 +193,13 @@ function write_php_ini($array, $file)
     }
 }
 
+/**
+ * Writes to a file without conflicts
+ *
+ * @param string $fileName
+ * @param string $dataToSave
+ * @return boolean
+ */
 function safefilerewrite($fileName, $dataToSave)
 {
     if ($fp = fopen($fileName, 'w')) {