diff --git a/ChangeLog b/ChangeLog
index e1693f84..f70aa2c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,11 @@
 
 	* lib/extras.py: added inet support and related tests.
 
+2008-09-23  James Henstridge  <james@jamesh.id.au>
+
+	* psycopg/psycopg.h (NotSupportedError_doc): clean up
+	spelling/grammar a bit, using exception description from the PEP.
+
 2008-09-23  Federico Di Gregorio <fog@initd.org>
 
 	* Applied patch from Brian Sutherland that fixes NULL
diff --git a/psycopg/psycopg.h b/psycopg/psycopg.h
index c2effb57..5706c5a7 100644
--- a/psycopg/psycopg.h
+++ b/psycopg/psycopg.h
@@ -174,7 +174,7 @@ HIDDEN size_t qstring_escape(char *to, char *from, size_t len, PGconn *conn);
 "Error related to problems with the processed data."
 
 #define NotSupportedError_doc \
-"A not supported datbase API was called."
+"A method or database API was used which is not supported by the database."
 
 #ifdef PSYCOPG_EXTENSIONS
 #define QueryCanceledError_doc \