diff --git a/admin_apcuinfo.php b/admin_apcuinfo.php
index ce0826cd..d8c6dc3b 100644
--- a/admin_apcuinfo.php
+++ b/admin_apcuinfo.php
@@ -343,7 +343,7 @@ function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1, $co
 
 
     if (function_exists("imagefilledarc")) {
-        // exists only if GD 2.0.1 is avaliable
+        // exists only if GD 2.0.1 is available
         imagefilledarc($im, $centerX + 1, $centerY + 1, $diameter, $diameter, $start, $end, $color1, IMG_ARC_PIE);
         imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2, IMG_ARC_PIE);
         imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color1, IMG_ARC_NOFILL | IMG_ARC_EDGED);