diff --git a/chapter06/sed.xml b/chapter06/sed.xml
index d1bceef2f..c881c7875 100644
--- a/chapter06/sed.xml
+++ b/chapter06/sed.xml
@@ -40,7 +40,7 @@
   <sect2 role="installation">
     <title>Installation of Sed</title>
 
-    <para>First fix an issue in the LFS envronment and remove a failing test:</para>
+    <para>First fix an issue in the LFS environment and remove a failing test:</para>
 
 <screen><userinput remap="pre">sed -i 's/usr/tools/'       build-aux/help2man
 sed -i 's/panic-tests.sh//' Makefile.in</userinput></screen>