\setuppapersize[letter][letter]

\setupalign[normal]

\setuplayout[
    backspace=0.5in,
    topspace=0.0in,
    header=.5in, % No headers
    footer=.5in, % Space for the footer
    width=middle,
    height=middle,
]

\definefontfeature[timesfeatures][default][
    ccmp=yes, % Composes multiple characters into a single glyph or breaks down ligatures.
    kern=yes, % enables kerning
    extrakerns=yes, % enables extra kerning
    trep=yes, % Enables single and double quotes to show up correctly in text, perhaps does more
    itlc=yes, % Activates italic correction.
    mark=yes, % Used for positioning diacritical marks (accents, dots, etc.) relative to base characters.
    mkmk=yes, % positions diacritical marks relative to other marks
    locl=yes,
    mode=node,
    language=dflt,
    dlig=yes,
    script=latn,
    % cpsp=yes, use for all caps only
]

\definefontfeature[aptosfeatures][default][
    kern=yes, % enables kerning
    extrakerns=yes, % enables extra kerning
    trep=yes, % Enables single and double quotes to show up correctly in text, perhaps does more
    itlc=yes, % Activates italic correction.
    mark=yes, % Used for positioning diacritical marks (accents, dots, etc.) relative to base characters.
    mkmk=yes, % positions diacritical marks relative to other marks
    locl=yes,
    mode=node,
    language=dflt,
    script=latn,
]

\definefontfamily [myfonts] [rm]        [timesnewroman] [features=timesfeatures] % dlig enables times new roman ligatures, and cpsp is used by tnr, not aptos
\definefontfamily [myfonts] [ss]        [aptos] [features=aptosfeatures]
\definefontfamily [myfonts] [tt]        [aptosmono] [features=none]
\definetypeface   [myfonts] [mm] [math] [stixtwo]    

\setupbodyfont[myfonts,12pt]

\mainlanguage[en-us]

\setupindenting[yes,0.5in]

\setupitemgroup[itemize][nowhite]

% Prevent page number in the header
\setuppagenumbering[location=footer]

% Center the page number in the middle of the 0.5-inch footer
\setupfootertexts[\vbox to .375in{\vfil\centerline{\pagenumber}\vfil}] % default would be .5in

\setupheads[indentnext=yes] % To get indentation after section numbers, use this

\setuphead[part][
    page=no,
    placehead=yes,
    sectionstopper={.}, % Add period after numbers
    conversion=R,
]

\setuphead[chapter][
    page=no,
    sectionstopper={.}, % Add period after numbers
    conversion=R,
]

\setuphead[section, subsection, subsubsection, subsubsubsection, subsubsubsubsection][
    sectionstopper={.}, % Add period after numbers
    conversion=R,
]

\setuphead[part, chapter, section, subsection, subsubsection, subsubsubsection, subsubsubsubsection, title, subject, subsubject, subsubsubject, subsubsubsubject, subsubsubsubsection][
    before=,
    after=,
    style=sc, % Small caps style
    align=middle, % Center the section titles
    distance=\spaceamount
] % it seems that when I make this into setupheads and delete the first square braket set it will not result in what I want

\setupinteraction[
    state=start,
    color=,
    contrastcolor=,
    style=\underbar
]

\definedescription[description]

\setupdescription[description][
    alternative=serried,
    headstyle=bold,
    style=normal,
    width=fit,
    before=,
    after=,
    distance=\spaceamount,
    stretch=0,
    shrink=0
]

\startsetups document:start
    \centerline{\documentvariable{title}}
    \centerline{\documentvariable{author}}
    \centerline{\documentvariable{class}}
    \centerline{\documentvariable{date}}
    \blank[line]
\stopsetups

\startdocument[
    title={Chapter 6 Assignment},
    author={Felix Maldonado Ramirez},
    class={HITT 1305},
    date={September 17, 2024}
]

\startitemgroup[itemize][n]
    \startitem
        \startdescription{bone and joint pain}
            fat
        \stopdescription
    \stopitem
    \startitem
        \startdescription{cartilage tumor}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{bone marrow tumor}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{abnormal softening of a bone}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{porous bone}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{process of visually examining a joint}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{cutting into a skull}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{surgically breaking a bone}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{muscle disease}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{vertebra slipping}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{fusion of a joint}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{surgical repair of cartilage}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{abnormal condition of a hump}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{inflammation of the bursa}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{inflammation of many muscles}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{excessive development}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{immature bone}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{abnormal condition of a crooked (spine)}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{slipping vertebrae}
            
        \stopdescription
    \stopitem
    \startitem
        \startdescription{bone disease}
            
        \stopdescription
    \stopitem
\stopitemgroup

\stopdocument


how can I make it so that the description environment in ontext lmtx makes a colon automatically next to the last letter of the parenthesis text