diff --git a/R/PipeOpKernelPCA.R b/R/PipeOpKernelPCA.R
index 041f1d42c..13cd671f3 100644
--- a/R/PipeOpKernelPCA.R
+++ b/R/PipeOpKernelPCA.R
@@ -1,11 +1,11 @@
-#' @title Kernelized Principle Component Analysis
+#' @title Kernelized Principal Component Analysis
 #'
 #' @usage NULL
 #' @name mlr_pipeops_kernelpca
 #' @format [`R6Class`][R6::R6Class] object inheriting from [`PipeOpTaskPreproc`]/[`PipeOp`].
 #'
 #' @description
-#' Extracts kernel principle components from data. Only affects numerical features.
+#' Extracts kernel principal components from data. Only affects numerical features.
 #' See [kernlab::kpca] for details.
 #'
 #' @section Construction: