diff --git a/ChangeLog b/ChangeLog
index 1736d61a15..e7142a1412 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-08-25  Andreas Jaeger  <aj@suse.de>
+
+	* manual/arith.texi (Control Functions): Clarify possible
+	arguments.  Closes PR libc/1856.
+
 2000-08-24  H.J. Lu  <hjl@gnu.org>
 
 	* stdio-common/Makefile (tests): Don't do it for cross compiling.
diff --git a/manual/arith.texi b/manual/arith.texi
index 5ab6a14fef..e7f4365c18 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -1022,7 +1022,7 @@ exceptions.  Not all FPUs support trapping no exceptions; if
 succeeds, it returns zero.
 @end deftypefun
 
-The functions which restore the floating-point environment can take two
+The functions which restore the floating-point environment can take these
 kinds of arguments:
 
 @itemize @bullet
@@ -1034,7 +1034,8 @@ call to @code{fegetenv} or @code{feholdexcept}.
 The special macro @code{FE_DFL_ENV} which represents the floating-point
 environment as it was available at program start.
 @item
-Implementation defined macros with names starting with @code{FE_}.
+Implementation defined macros with names starting with @code{FE_} and
+having type @code{fenv_t *}.
 
 @vindex FE_NOMASK_ENV
 If possible, the GNU C Library defines a macro @code{FE_NOMASK_ENV}