diff --git a/README.md b/README.md
index 35f3d114..f2d80ced 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,8 @@ local defaults = {
     spelling = {
       enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
       suggestions = 20, -- how many suggestions should be shown in the list?
+      -- set custom keys for spell choices (e.g. home keys)
+      keys = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
     },
     presets = {
       operators = true, -- adds help for operators like d, y, ...
diff --git a/doc/which-key.nvim.txt b/doc/which-key.nvim.txt
index 684f5cc8..7bffdea0 100644
--- a/doc/which-key.nvim.txt
+++ b/doc/which-key.nvim.txt
@@ -131,6 +131,8 @@ Default Options ~
         spelling = {
           enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
           suggestions = 20, -- how many suggestions should be shown in the list?
+	  -- set custom keys for spell choices (e.g. home keys)
+	  keys = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
         },
         presets = {
           operators = true, -- adds help for operators like d, y, ...
diff --git a/lua/which-key/config.lua b/lua/which-key/config.lua
index 474a2943..a354d9a7 100644
--- a/lua/which-key/config.lua
+++ b/lua/which-key/config.lua
@@ -45,6 +45,8 @@ local defaults = {
     spelling = {
       enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
       suggestions = 20, -- how many suggestions should be shown in the list?
+      -- set custom keys for spell choices (e.g. home keys)
+      keys = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
     },
     presets = {
       operators = true, -- adds help for operators like d, y, ...
diff --git a/lua/which-key/plugins/spelling.lua b/lua/which-key/plugins/spelling.lua
index 15707d10..5ba1abae 100644
--- a/lua/which-key/plugins/spelling.lua
+++ b/lua/which-key/plugins/spelling.lua
@@ -18,6 +18,13 @@ M.opts = {}
 
 function M.setup(opts)
   M.opts = opts
+  -- NOTE This logic could be within opts validation
+  if M.opts.suggestions > string.len(M.opts.keys) then
+    require("which-key.util").warn(
+      { "Error in spelling config", "Number of suggestions exceeds provided keys" },
+      { once = true }
+    )
+  end
 end
 
 function M.expand()
@@ -36,7 +43,7 @@ function M.expand()
   local suggestions = vim.fn.spellsuggest(word, M.opts.suggestions or 20, bad[2] == "caps" and 1 or 0)
 
   local items = {} ---@type wk.Plugin.item[]
-  local keys = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+  local keys = M.opts.keys
 
   for i, label in ipairs(suggestions) do
     local key = keys:sub(i, i)