=== modified file 'doc/lispref/control.texi'
--- doc/lispref/control.texi	2010-03-31 09:43:53 +0000
+++ doc/lispref/control.texi	2010-08-02 01:08:25 +0000
@@ -1039,7 +1039,7 @@
 @xref{Definition of signal}.
 @end defspec
 
-@defun error-message-string error-description
+@defun error-message-string error-descriptor
 This function returns the error message string for a given error
 descriptor.  It is useful if you want to handle an error by printing the
 usual error message for that error.  @xref{Definition of signal}.