Migrate documentation to roxygen2md

Change-Id: If5370cd207770f3e05c6f5cd063bd2a414b92bcb
diff --git a/man/pipe.Rd b/man/pipe.Rd
index 32004dc..07c1c18 100644
--- a/man/pipe.Rd
+++ b/man/pipe.Rd
@@ -7,6 +7,6 @@
 lhs \%>\% rhs
 }
 \description{
-See \code{magrittr::\link[magrittr:pipe]{\%>\%}} for details.
+See \verb{magrittr::[\\\%>\\\%][magrittr::pipe]} for details.
 }
 \keyword{internal}