diff --git a/README.md b/README.md
index 447abbc9469e4..30c983e2e94db 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,13 @@ require('boole').setup({
   mappings = {
     increment = '<C-a>',
     decrement = '<C-x>'
-  }
+  },
+  -- Key value pairs of additional replacements
+  -- increment: (key => value)
+  -- decrement: (value => key)
+  pair_additions = {
+    ["False"] = "True",
+    ["True"] = "False"
+  },
 })
 ```
diff --git a/lua/boole.lua b/lua/boole.lua
index f99b5c9791073..f73eebff7be7e 100644
--- a/lua/boole.lua
+++ b/lua/boole.lua
@@ -130,6 +130,12 @@ M.setup = function(options)
 
     if options == nil then return 1 end
 
+    if options.pair_additions ~= nil then
+        for key,val in pairs(options.pair_additions) do
+            generate_hashmaps(key, val)
+        end
+    end
+
     if options.mappings.increment ~= nil then
         vim.keymap.set(
             { 'n', 'v' },