diff --git a/R/run.R b/R/run.R
index 6deaad7..3a77fa6 100644
--- a/R/run.R
+++ b/R/run.R
@@ -463,7 +463,7 @@ runner.data.frame <- function(
 #' @examples
 #'
 #' # Panel data: rolling mean within groups
-#' # (equivalent to Stata's: bysort firm (year): rolling mean(x), window(3)
+#' # (equivalent to Stata's: bysort firm (year): rolling mean(x), window(3))
 #' library(dplyr)
 #' df <- data.frame(
 #'   firm = rep(c("A", "B"), each = 5),
diff --git a/man/runner.Rd b/man/runner.Rd
index 67b40f0..ad989bb 100644
--- a/man/runner.Rd
+++ b/man/runner.Rd
@@ -382,7 +382,7 @@ runner(
 stopCluster(cl)
 
 # Panel data: rolling mean within groups
-# (equivalent to Stata's: bysort firm (year): rolling mean(x), window(3)
+# (equivalent to Stata's: bysort firm (year): rolling mean(x), window(3))
 library(dplyr)
 df <- data.frame(
   firm = rep(c("A", "B"), each = 5),