Typo in mappings.lua description (#2993)

Toggleable horizontal terminal command was described incorrectly.

lua/nvchad/mappings.lua

@@ -89,7 +89,7 @@ end, { desc = "terminal toggleable vertical term" })
 
 map({ "n", "t" }, "<A-h>", function()
   require("nvchad.term").toggle { pos = "sp", id = "htoggleTerm" }
-end, { desc = "terminal new horizontal term" })
+end, { desc = "terminal toggleable horizontal term" })
 
 map({ "n", "t" }, "<A-i>", function()
   require("nvchad.term").toggle { pos = "float", id = "floatTerm" }