Missed a couple of program options that had been marked by \code.
diff --git a/Doc/api/api.tex b/Doc/api/api.tex
index 39f838d..d2e6a44 100644
--- a/Doc/api/api.tex
+++ b/Doc/api/api.tex
@@ -2626,7 +2626,7 @@
the prefix is \code{"/usr/local"}. The returned string points into
static storage; the caller should not modify its value. This
corresponds to the \makevar{prefix} variable in the top-level
-\file{Makefile} and the \code{-}\code{-prefix} argument to the
+\file{Makefile} and the \programopt{-}\programopt{-prefix} argument to the
\program{configure} script at build time. The value is available to
Python code as \code{sys.prefix}. It is only useful on \UNIX{}. See
also the next function.
@@ -2641,9 +2641,9 @@
\code{"/usr/local"}. The returned string points into static storage;
the caller should not modify its value. This corresponds to the
\makevar{exec_prefix} variable in the top-level \file{Makefile} and the
-\code{-}\code{-exec_prefix} argument to the \program{configure} script
-at build time. The value is available to Python code as
-\code{sys.exec_prefix}. It is only useful on \UNIX{}.
+\programopt{-}\programopt{-exec_prefix} argument to the
+\program{configure} script at build time. The value is available to
+Python code as \code{sys.exec_prefix}. It is only useful on \UNIX{}.
Background: The exec-prefix differs from the prefix when platform
dependent files (such as executables and shared libraries) are