diff --git a/src/ChangeLog b/src/ChangeLog
index 08fbd81d6fbe1fb4ff9ea8a3fddd905e223b50af..4c1ed394e3173267c6866767846afaf0de7dc384 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2007-10-19  Juanma Barranquero  <lekktu@gmail.com>
+
+	* process.c (Fset_process_filter): Doc fix.
+
 2007-10-17  Glenn Morris  <rgm@gnu.org>
 
 	* minibuf.c (Qcompletion_ignore_case): New Lisp_Object.
diff --git a/src/process.c b/src/process.c
index fd8e2c94a4d3bf6d4d240d1d4e2735816219cc72..09705c436b73ebd5df4c3c560ad151dd6a25dc86 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1002,7 +1002,7 @@ DEFUN ("process-mark", Fprocess_mark, Sprocess_mark,
 DEFUN ("set-process-filter", Fset_process_filter, Sset_process_filter,
        2, 2, 0,
        doc: /* Give PROCESS the filter function FILTER; nil means no filter.
-t means stop accepting output from the process.
+A value of t means stop accepting output from the process.
 
 When a process has a filter, its buffer is not used for output.
 Instead, each time it does output, the entire string of output is