diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index f8677b5..62db120 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -19,8 +19,9 @@
 The following are code blocks:  A module is a code block.  A function
 body is a code block.  A class definition is a code block.  Each
 command typed interactively is a separate code block; a script file is
-a code block.  The string argument passed to the built-in functions
-\verb\eval\ and \verb\exec\ are code blocks.  And finally, the
+a code block.  The string argument passed to the built-in function
+\verb\eval\ and to the \verb\exec\ statement are code blocks.
+And finally, the
 expression read and evaluated by the built-in function \verb\input\ is
 a code block.
 
@@ -66,7 +67,7 @@
 
 When a global name is not found in the global name space, it is
 searched in the list of ``built-in'' names (which is actually the
-global name space of the module \verb\builtin\).  When a name is not
+global name space of the module \verb\__builtin__\).  When a name is not
 found at all, the \verb\NameError\ exception is raised.
 
 The following table lists the meaning of the local and global name
diff --git a/Doc/ref/ref8.tex b/Doc/ref/ref8.tex
index 59ef58c..aeb65bf 100644
--- a/Doc/ref/ref8.tex
+++ b/Doc/ref/ref8.tex
@@ -14,13 +14,13 @@
 Python program.  A complete Python program is executed in a minimally
 initialized environment: all built-in and standard modules are
 available, but none have been initialized, except for \verb\sys\
-(various system services), \verb\builtin\ (built-in functions,
+(various system services), \verb\__builtin__\ (built-in functions,
 exceptions and \verb\None\) and \verb\__main__\.  The latter is used
 to provide the local and global name space for execution of the
 complete program.
 \bimodindex{sys}
 \bimodindex{__main__}
-\bimodindex{builtin}
+\bimodindex{__builtin__}
 
 The syntax for a complete Python program is that for file input,
 described in the next section.
@@ -58,11 +58,7 @@
 
 \item when parsing a module;
 
-\item when parsing a string passed to \verb\exec()\;
-\bifuncindex{exec}
-
-\item when parsing a file passed to \verb\execfile()\;
-\bifuncindex{execfile}
+\item when parsing a string passed to the \verb\exec\ statement;
 
 \end{itemize}