bug fix: alpha caption of keyword plot
bug fix: alpha caption of keyword plot

joncgoodwin/dfrtopics,agoldst/dfrtopics,agoldst/dfr-analysis,agoldst/dfr-analysis,joncgoodwin/dfrtopics,agoldst/dfr-analysis,agoldst/dfrtopics,agoldst/dfrtopics,joncgoodwin/dfrtopics,agoldst/dfrtopics,agoldst/dfrtopics,agoldst/dfr-analysis