diff --git a/appendices/resources.xml b/appendices/resources.xml
index 4c58813907..2b0e05d84a 100755
--- a/appendices/resources.xml
+++ b/appendices/resources.xml
@@ -1,4 +1,4 @@
-<appendix id=resource>
+<appendix id="resource">
  <title>Ressource types of PHP</title>
  <para>
   Here is the function's list which create, use or destroy
@@ -11,7 +11,7 @@ DO NOT TRANSLATE YET : THERE ARE STILL TYPES TO DOCUMENT.
 -->
   <table>
    <title>Ressource types</title>
-   <tgroup cols=5>
+   <tgroup cols="5">
      <thead>
       <row>
        <entry>Ressource type</entry>