diff --git a/LDP/guide/docbook/Intro-Linux/chap3.xml b/LDP/guide/docbook/Intro-Linux/chap3.xml
index 7a32964b..5b3fb139 100644
--- a/LDP/guide/docbook/Intro-Linux/chap3.xml
+++ b/LDP/guide/docbook/Intro-Linux/chap3.xml
@@ -75,6 +75,9 @@ drwxrwxr-x   2 jaime   jaime    4096 Feb 25 11:50 course
 <row>
 <entry>p</entry><entry>Named pipe</entry>
 </row>
+<row>
+<entry>b</entry><entry>Block device</entry>
+</row>
 </tbody>
 </tgroup>
 </table>