clean up markup for --executable description
diff --git a/Doc/dist/dist.tex b/Doc/dist/dist.tex
index b590b31..d01e1fd 100644
--- a/Doc/dist/dist.tex
+++ b/Doc/dist/dist.tex
@@ -641,8 +641,9 @@
first line of the script starts with \code{\#!} and contains the word
``python'', the Distutils will adjust the first line to refer to the
current interpreter location. By default, it is replaced with the
-current interpreter location. The '--executable=/-e' switch will
-allow the interpreter path to be explicitly overridden.
+current interpreter location. The \longprogramopt{executable} (or
+\programopt{-e}) option will allow the interpreter path to be
+explicitly overridden.
The \option{scripts} option simply is a list of files to be handled
in this way. From the PyXML setup script: