Lint Makefile

Author: wkmor1

Makefile

@@ -49,7 +49,8 @@ sentinels/check: sentinels/pkgdown $(shell find tests -type f)
 > mkdir -p $(@D);\
 > touch $@
 
-sentinels/pkgdown: sentinels/vignettes README.md LICENSE sentinels/doc _pkgdown.yml $(shell find pkgdown -type f)
+sentinels/pkgdown: sentinels/vignettes README.md LICENSE sentinels/doc \
+  _pkgdown.yml $(shell find pkgdown -type f)
 > echo "options(rmarkdown.html_vignette.check_title = FALSE)" > .Rprofile;\
 > touch pkgdown/favicon/*;\
 > ${RSCRIPT} -e "pkgdown::build_site()";\