diff --git a/runtime/doc/lsp.txt b/runtime/doc/lsp.txt
index a8b0796643..49aa305ca3 100644
--- a/runtime/doc/lsp.txt
+++ b/runtime/doc/lsp.txt
@@ -81,12 +81,13 @@ the options are empty or were set by the builtin runtime (ftplugin) files. The
 options are not restored when the LSP client is stopped or detached.
 
 GLOBAL DEFAULTS
-                                          *grr* *gra* *grn* *gri* *i_CTRL-S*
+                                          *grr* *gra* *grn* *gri* *grt* *i_CTRL-S*
 These GLOBAL keymaps are created unconditionally when Nvim starts:
 - "grn" is mapped in Normal mode to |vim.lsp.buf.rename()|
 - "gra" is mapped in Normal and Visual mode to |vim.lsp.buf.code_action()|
 - "grr" is mapped in Normal mode to |vim.lsp.buf.references()|
 - "gri" is mapped in Normal mode to |vim.lsp.buf.implementation()|
+- "grt" is mapped in Normal mode to |vim.lsp.buf.type_definition()|
 - "gO" is mapped in Normal mode to |vim.lsp.buf.document_symbol()|
 - CTRL-S is mapped in Insert mode to |vim.lsp.buf.signature_help()|
 
diff --git a/runtime/doc/news.txt b/runtime/doc/news.txt
index c33ca27a54..fd7626f8b9 100644
--- a/runtime/doc/news.txt
+++ b/runtime/doc/news.txt
@@ -188,6 +188,7 @@ DEFAULTS
   • |gri| in Normal mode maps to |vim.lsp.buf.implementation()|
   • |gO| in Normal mode maps to |vim.lsp.buf.document_symbol()|
   • |gra| in Normal and Visual mode maps to |vim.lsp.buf.code_action()|
+  • |grt| in Normal mode maps to |vim.lsp.buf.type_definition()|
   • CTRL-S in Insert and Select mode maps to |vim.lsp.buf.signature_help()|
   • Mouse |popup-menu| includes an "Open in web browser" item when you right-click
     on a URL.
diff --git a/runtime/doc/vim_diff.txt b/runtime/doc/vim_diff.txt
index 2948a89534..85ea01afc4 100644
--- a/runtime/doc/vim_diff.txt
+++ b/runtime/doc/vim_diff.txt
@@ -153,6 +153,7 @@ you never want any default mappings, call |:mapclear| early in your config.
   - |grr|
   - |gra|
   - |gri|
+  - |grt|
   - |gO|
 - <C-S> |i_CTRL-S|
 - ]d |]d-default|
diff --git a/runtime/lua/vim/_defaults.lua b/runtime/lua/vim/_defaults.lua
index adec7bda93..5a01260d83 100644
--- a/runtime/lua/vim/_defaults.lua
+++ b/runtime/lua/vim/_defaults.lua
@@ -191,7 +191,7 @@ do
   --- client is attached. If no client is attached, or if a server does not support a capability, an
   --- error message is displayed rather than exhibiting different behavior.
   ---
-  --- See |grr|, |grn|, |gra|, |gri|, |gO|, |i_CTRL-S|.
+  --- See |grr|, |grn|, |gra|, |gri|, |grt| |gO|, |i_CTRL-S|.
   do
     vim.keymap.set('n', 'grn', function()
       vim.lsp.buf.rename()
@@ -209,6 +209,10 @@ do
       vim.lsp.buf.implementation()
     end, { desc = 'vim.lsp.buf.implementation()' })
 
+    vim.keymap.set('n', 'grt', function()
+      vim.lsp.buf.type_definition()
+    end, { desc = 'vim.lsp.buf.type_definition()' })
+
     vim.keymap.set('n', 'gO', function()
       vim.lsp.buf.document_symbol()
     end, { desc = 'vim.lsp.buf.document_symbol()' })