* lispref/control.texi (Handling Errors) <error-message-string>: Fix arg name.

Fixes: debbugs:6770

doc/lispref/ChangeLog

+2010-08-02  Christoph  <cschol2112@googlemail.com>
+
+	* control.texi (Handling Errors) <error-message-string>: Fix arg name.
+
 2010-07-29  Juanma Barranquero  <lekktu@gmail.com>
 
 	* modes.texi (Defining Minor Modes): Use C-backspace, not C-delete.

doc/lispref/control.texi

@@ -1039,7 +1039,7 @@ to @code{condition-case} whose error condition you want to re-throw.
 @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}.