1 files changed, 1 insertions, 1 deletions

diff --git a/R/idea.R b/R/idea.R
index 53ba98a..14ba838 100644
--- a/R/idea.R
+++ b/R/idea.R
@@ -26,7 +26,7 @@
 #' @return An estimate of the basic reproduction number (R0).
 #'
 #' @references [Fisman et al. (PloS One, 2013)](
-#' https://doi.org/10.1371/journal.pone.0083622)
+#'   https://doi.org/10.1371/journal.pone.0083622)
 #'
 #' @seealso [id()] for a similar method.
 #'