diff --git a/R-package/R/xgb.plot.shap.R b/R-package/R/xgb.plot.shap.R
index 454c89996e4e..bb678968db88 100644
--- a/R-package/R/xgb.plot.shap.R
+++ b/R-package/R/xgb.plot.shap.R
@@ -111,7 +111,7 @@
 #' mbst <- xgb.train(
 #'   data = xgb.DMatrix(x, label = as.numeric(iris$Species) - 1),
 #'   nrounds = nrounds,
-#'   verbose = 0
+#'   verbose = 0,
 #'   params = xgb.params(
 #'     max_depth = 2,
 #'     eta = 0.3,
diff --git a/R-package/man/xgb.plot.shap.Rd b/R-package/man/xgb.plot.shap.Rd
index 9fa0d591c872..7bdd5ad2bfac 100644
--- a/R-package/man/xgb.plot.shap.Rd
+++ b/R-package/man/xgb.plot.shap.Rd
@@ -164,7 +164,7 @@ is.na(x[sample(nrow(x) * 4, 30)]) <- TRUE # introduce some missing values
 mbst <- xgb.train(
   data = xgb.DMatrix(x, label = as.numeric(iris$Species) - 1),
   nrounds = nrounds,
-  verbose = 0
+  verbose = 0,
   params = xgb.params(
     max_depth = 2,
     eta = 0.3,