Can someone please tell me why the following does not center the text in the first row?
Thanks in advance.


\setupTABLE[row][1][align={middle}]
\setupTABLE[column][1][width=2.5in,align={lohi}]
\setupTABLE[column][2][width=3in,align={lohi}]

\bTABLE
    \bTR
        \bTD {\bf Concept} \eTD
        \bTD {\bf Definition} \eTD
    \eTR
    \bTR
        \bTD {\bf Closure} of a set $ E \subset M $ ($ \text{cl}(E) $) \eTD
        \bTD \hskip 1em $ \text{cl}(E) = \cap\{ F : E \subset F, F \text{ is closed} \}$ \eTD
    \eTR
    \bTR
        \bTD $ x $ is a {\bf contact point} or {\bf accumulation point} of $ E $ if \eTD
        \bTD \hskip 1em $ \forall \varepsilon > 0, B_{\varepsilon}(x) \cap E \neq \emptyset $ \eTD
    \eTR
\eTABLE