2 files changed, 7 insertions, 8 deletions

diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index ad5d0fc6015..b961d687edd 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -503,7 +503,7 @@ Height |  | | Height                           | |  | Height
 In practice not all of the areas shown in the drawing will or may be
 present.  The meaning of these areas is described below.
 
-@table @samp
+@table @asis
 @item Outer Frame
 @cindex outer frame
 @cindex outer edges
diff --git a/doc/misc/ediff.texi b/doc/misc/ediff.texi
index 746c4c829d2..cce8321d9eb 100644
--- a/doc/misc/ediff.texi
+++ b/doc/misc/ediff.texi
@@ -210,11 +210,11 @@ ancestors.  Ediff selects only the files that are under version control.
 
 @item ediff-windows-wordwise
 @findex ediff-windows-wordwise
-Compare windows word-by-word.
+Compare text visible in 2 windows word-by-word.
 
 @item ediff-windows-linewise
 @findex ediff-windows-linewise
-Compare windows line-by-line.
+Compare text visible in 2 windows line-by-line.
 
 @item ediff-regions-wordwise
 @findex ediff-regions-wordwise
@@ -373,13 +373,12 @@ The commands @code{ediff-windows-wordwise},
 @code{ediff-windows-linewise}, @code{ediff-regions-wordwise} and
 @code{ediff-regions-linewise} do comparison on parts of existing Emacs
 buffers.  The commands @code{ediff-windows-wordwise} and
-@code{ediff-regions-wordwise} are intended for relatively small segments
-of buffers (e.g., up to 100 lines, depending on the speed of your machine),
+@code{ediff-regions-wordwise} could be slow on very large buffers,
 as they perform comparison on the basis of words rather than lines.
-(Word-wise comparison of large chunks of text can be slow.)
+(Word-wise comparison of large chunks of text is relatively expensive.)
 
-To compare large regions, use @code{ediff-regions-linewise}.  This
-command displays differences much like @code{ediff-files} and
+To compare very large regions, use @code{ediff-regions-linewise}.
+This command displays differences much like @code{ediff-files} and
 @code{ediff-buffers}.
 
 The functions @code{ediff-patch-file} and @code{ediff-patch-buffer} apply a