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         <p>
           I later learned that I had constructed the "lamboid diagram" or
-          Lambdoma, named for its resemblance to the Greek letter Lambda. The
+          Lambdoma, named for its resemblance to the Greek letter Lambda Λ. The
           synergy of color and sound in the Lambdoma, linking the octave to the
           color wheel, was studied in depth by artist and sound practitioner
           <a href="https://www.lambdoma.com/">Barbara Hero</a>. Hero made the