diff --git a/config/nvim/lua/fschauen/plugins/markdown-preview.lua b/config/nvim/lua/fschauen/plugins/markdown-preview.lua
index 8b33296..1f7ca1f 100644
--- a/config/nvim/lua/fschauen/plugins/markdown-preview.lua
+++ b/config/nvim/lua/fschauen/plugins/markdown-preview.lua
@@ -22,4 +22,16 @@ return {
     -- Show preview page URL in command line when opening preview page.
     vim.g.mkdp_echo_preview_url = 1
   end,
+
+  config = function()
+    local group = vim.api.nvim_create_augroup("fschauen.markdown", { clear = true })
+    vim.api.nvim_create_autocmd("FileType", {
+      desc = "Create key map to toggle markdown preview.",
+      group = group,
+      pattern = "markdown",
+      callback = function()
+        vim.keymap.set("n", "<leader>P", "<cmd>MarkdownPreviewToggle<cr>", { buffer = true })
+      end,
+    })
+  end,
 }
diff --git a/config/nvim/lua/fschauen/plugins/plantuml-previewer.lua b/config/nvim/lua/fschauen/plugins/plantuml-previewer.lua
index dd56c4e..2551e76 100644
--- a/config/nvim/lua/fschauen/plugins/plantuml-previewer.lua
+++ b/config/nvim/lua/fschauen/plugins/plantuml-previewer.lua
@@ -23,4 +23,16 @@ return {
       vim.g["plantuml_previewer#plantuml_jar_path"] = jar
     end
   end,
+
+  config = function()
+    local group = vim.api.nvim_create_augroup("fschauen.plantuml", { clear = true })
+    vim.api.nvim_create_autocmd("FileType", {
+      desc = "Create key map to toggle plantuml preview.",
+      group = group,
+      pattern = "plantuml",
+      callback = function()
+        vim.keymap.set("n", "<leader>P", "<cmd>PlantumlToggle<cr>", { buffer = true })
+      end,
+    })
+  end,
 }