diff --git a/R/PipeOpNMF.R b/R/PipeOpNMF.R
index 38e79676a..1f2a2e864 100644
--- a/R/PipeOpNMF.R
+++ b/R/PipeOpNMF.R
@@ -100,7 +100,10 @@
 #' pop$train(list(task))[[1]]$data()
 #'
 #' pop$state
-#' \dontshow{ try(rm("format.list", envir = .BaseNamespaceEnv$.__S3MethodsTable__.), silent = TRUE)  # BiocGenerics overwrites printer for our tables mlr-org/mlr3#1112 }
+#' \dontshow{
+#' # BiocGenerics overwrites printer for our tables mlr-org/mlr3#1112
+#' try(rm("format.list", envir = .BaseNamespaceEnv$.__S3MethodsTable__.), silent = TRUE)
+#' }
 #' @family PipeOps
 #' @template seealso_pipeopslist
 #' @include PipeOpTaskPreproc.R
diff --git a/man/mlr_pipeops_nmf.Rd b/man/mlr_pipeops_nmf.Rd
index 39e0edf77..d5b2c7a29 100644
--- a/man/mlr_pipeops_nmf.Rd
+++ b/man/mlr_pipeops_nmf.Rd
@@ -121,7 +121,10 @@ task$data()
 pop$train(list(task))[[1]]$data()
 
 pop$state
-\dontshow{ try(rm("format.list", envir = .BaseNamespaceEnv$.__S3MethodsTable__.), silent = TRUE)  # BiocGenerics overwrites printer for our tables mlr-org/mlr3#1112 }
+\dontshow{
+# BiocGenerics overwrites printer for our tables mlr-org/mlr3#1112
+try(rm("format.list", envir = .BaseNamespaceEnv$.__S3MethodsTable__.), silent = TRUE)
+}
 \dontshow{\}) # examplesIf}
 }
 \seealso{