diff --git a/Doc/lib/libconsts.tex b/Doc/lib/libconsts.tex
index a7b4498..1f56b05 100644
--- a/Doc/lib/libconsts.tex
+++ b/Doc/lib/libconsts.tex
@@ -26,6 +26,8 @@
 \end{datadesc}
 
 \begin{datadesc}{Ellipsis}
-  Special value used in conjunction with extended slicing syntax.
+  The same as \code{...}.
+  Special value used mostly in conjunction with extended slicing syntax
+  for user-defined container data types.
   % XXX Someone who understands extended slicing should fill in here.
 \end{datadesc}
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index ef1b802..d5409e0 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -2004,12 +2004,12 @@
 
 \subsection{The Ellipsis Object \label{bltin-ellipsis-object}}
 
-This object is used by extended slice notation (see the
+This object is mostly used by extended slice notation (see the
 \citetitle[../ref/ref.html]{Python Reference Manual}).  It supports no
 special operations.  There is exactly one ellipsis object, named
 \constant{Ellipsis} (a built-in name).
 
-It is written as \code{Ellipsis}.
+It is written as \code{Ellipsis} or \code{...}.
 
 \subsection{Boolean Values}