--- a/src/core/global-value.cc	Tue Feb 24 09:18:11 2009 +0100
+++ b/src/core/global-value.cc	Tue Feb 24 09:40:54 2009 +0100
@@ -34,7 +34,7 @@
 {
   if (m_checker == 0)
     {
-      NS_FATAL_ERROR ("Checker should no be zero.");
+      NS_FATAL_ERROR ("Checker should not be zero.");
     }
   GetVector ()->push_back (this);
 }