fix: cap markdown
fix: cap markdown

Signed-off-by: Henry Schreiner <bd7e3ce38f98be09c1400692efd0a63093148e8b@gmail.com>

codas-hep/codas-hep.github.io-source,codas-hep/codas-hep.github.io-source,codas-hep/codas-hep.github.io-source