diff --git a/README.md b/README.md
index b7bb00d..8cb8f46 100644
--- a/README.md
+++ b/README.md
@@ -91,8 +91,9 @@ Also, make sure to read the license file; the text of that license file must app
 Specs
 =====
 
-This project uses "telescope":https://github.com/norman/telescope for its specs. If you want to run the specs, you will have to install telescope first. Then run:
+This project uses [busted](https://olivinelabs.com/busted) for its specs. If you want to run the specs, you will have to install it first. Then run:
 
-    tsc spec/*
+    cd path/where/the/spec/folder/is
+    busted
 
 
diff --git a/spec/cron_spec.lua b/spec/cron_spec.lua
index 9b7287e..210c44c 100644
--- a/spec/cron_spec.lua
+++ b/spec/cron_spec.lua
@@ -9,16 +9,16 @@ describe( 'cron', function()
   end
   local countable = setmetatable({}, {__call = count})
 
-  before(function()
+  before_each(function()
     counter = 0
     cron.reset()
   end)
 
   describe('.update', function()
     it('throws an error if dt is a negative number', function()
-      assert_error(function() cron.update() end)
-      assert_error(function() cron.update(-1) end)
-      assert_not_error(function() cron.update(1) end)
+      assert.error(function() cron.update() end)
+      assert.error(function() cron.update(-1) end)
+      assert.not_error(function() cron.update(1) end)
     end)
   end)
 
@@ -27,85 +27,85 @@ describe( 'cron', function()
       cron.after(1, count)
       cron.after(2, count)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.reset()
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
     end)
 
     it('Cancels all periodical actions', function()
       cron.every(1, count)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.reset()
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
     end)
 
   end)
 
   describe('.after', function()
     it('Throws error if time is not a positive number, or callback is not callable', function()
-      assert_error(function() cron.after('error', count) end)
-      assert_error(function() cron.after(2, 'error') end)
-      assert_error(function() cron.after(-2, count) end)
-      assert_error(function() cron.after(2, {}) end)
-      assert_not_error(function() cron.after(2, count) end)
-      assert_not_error(function() cron.after(2, countable) end)
+      assert.error(function() cron.after('error', count) end)
+      assert.error(function() cron.after(2, 'error') end)
+      assert.error(function() cron.after(-2, count) end)
+      assert.error(function() cron.after(2, {}) end)
+      assert.not_error(function() cron.after(2, count) end)
+      assert.not_error(function() cron.after(2, countable) end)
     end)
 
     it('Executes timed actions only once, at the right time', function()
       cron.after(2, count)
       cron.after(4, count)
       cron.update(1)
-      assert_equal(counter, 0)
+      assert.equal(counter, 0)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.update(1)
-      assert_equal(counter, 2)
+      assert.equal(counter, 2)
     end)
 
     it('Passes on parameters to the function, if specified', function()
       cron.after(1, count, 2)
       cron.update(1)
-      assert_equal(counter, 2)
+      assert.equal(counter, 2)
     end)
   end)
 
   describe('.every', function()
     it('Throws errors if time is not a positive number, or callback is not function', function()
-      assert_error(function() cron.every('error', count) end)
-      assert_error(function() cron.every(2, 'error') end)
-      assert_error(function() cron.every(-2, count) end)
-      assert_error(function() cron.every(-2, {}) end)
-      assert_not_error(function() cron.every(2, count) end)
-      assert_not_error(function() cron.every(2, countable) end)
+      assert.error(function() cron.every('error', count) end)
+      assert.error(function() cron.every(2, 'error') end)
+      assert.error(function() cron.every(-2, count) end)
+      assert.error(function() cron.every(-2, {}) end)
+      assert.not_error(function() cron.every(2, count) end)
+      assert.not_error(function() cron.every(2, countable) end)
     end)
 
     it('Executes periodical actions periodically', function()
       cron.every(3, count)
       cron.update(1)
-      assert_equal(counter, 0)
+      assert.equal(counter, 0)
       cron.update(2)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.update(2)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.update(1)
-      assert_equal(counter, 2)
+      assert.equal(counter, 2)
     end)
 
     it('Executes the same action multiple times on a single update if appropiate', function()
       cron.every(1, count)
       cron.update(2)
-      assert_equal(counter, 2)
+      assert.equal(counter, 2)
     end)
 
     it('Respects parameters', function()
       cron.every(1, count, 2)
       cron.update(2)
-      assert_equal(counter, 4)
+      assert.equal(counter, 4)
     end)
   end)
 
@@ -113,50 +113,50 @@ describe( 'cron', function()
     it('Cancels timed entries', function()
       local id = cron.after(1, count)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.cancel(id)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
     end)
 
     it('Cancels periodical entries', function()
       local id = cron.every(1, count)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
       cron.cancel(id)
       cron.update(1)
-      assert_equal(counter, 1)
+      assert.equal(counter, 1)
     end)
   end)
 
   describe('.tagged', function()
-    before(function()
+    before_each(function()
       cron.tagged('hello').every(5, count) -- A
       cron.tagged('hello').after(2, count) -- B
       cron.every(1, count)                 -- C
     end)
 
     it('requires at least one tag', function()
-      assert_error(cron.tagged)
+      assert.error(cron.tagged)
     end)
 
     it('filters update', function()
       cron.tagged('hello').update(5)
-      assert_equal(counter, 2)  -- A + B, but not C
+      assert.equal(counter, 2)  -- A + B, but not C
     end)
 
     it('filters cancel', function()
       cron.tagged('hello', 'girl').every(5, count) -- D
 
       cron.tagged('hello').update(5) -- A + B + D - C
-      assert_equal(counter, 3)
+      assert.equal(counter, 3)
 
       cron.tagged('girl').cancel()
       cron.tagged('hello').update(5) -- A + B - C
-      assert_equal(counter, 4)
+      assert.equal(counter, 4)
 
       cron.tagged('girl').update(5) -- nothing (D is cancelled)
-      assert_equal(counter, 4)
+      assert.equal(counter, 4)
     end)
 
   end)