diff --git a/post.py b/post.py
index 9be26fd..091fd0a 100755
--- a/post.py
+++ b/post.py
@@ -34,6 +34,8 @@ client = Mastodon(
 data = json.load(open('data.json', 'r'))
 
 def get_object(kind):
+	# fill in the given thought with the necessary objects.
+	# for example, if the kind is "rides", generate a string like "Ride Name 1".
 	num = random.choice([1, 1, 1, 1, 1, 2, 2, 3])
 	if kind == "rides":
 		return "{} {}".format(random.choice(data['objects']['thrilling-rides'] + data['objects']['gentle-rides']), num)
@@ -48,6 +50,7 @@ def get_object(kind):
 	elif kind == "stalls":
 		return "{} {}".format(random.choice(list(data['objects']['stalls']['edible'].keys()) + list(data['objects']['stalls']['other'].keys())), num)
 	elif kind == "item-stall":
+		# return an item and the stall it comes from.
 		stalls_weighted = []
 		for key in data['objects']['stalls']:
 			for i in range(len(data['objects']['stalls'][key])):
@@ -57,6 +60,9 @@ def get_object(kind):
 		stall = "{} {}".format(choice[1], num)
 		return (choice[0], stall)
 
+# generate a list of thought types for a weighted random choice.
+# for example, if there were two plain thoughts and one rides thought, the list would be:
+# ['plain', 'plain', 'rides']
 thoughts_weighted = []
 for key in data['thoughts']:
 	for i in range(len(data['thoughts'][key])):
@@ -64,14 +70,19 @@ for key in data['thoughts']:
 
 thought_type = random.choice(thoughts_weighted)
 
+# choose a random thought of the type chosen above
 thought = random.choice(data['thoughts'][thought_type])
 
 if thought_type == "plain": 
+	# we don't need to fill in anything here.
 	pass
 elif thought_type == "item-stall":
+	# special case, get_object returns a tuple to fill in two blanks
 	objects = get_object(thought_type)
 	thought = thought.format(objects[0], objects[1])
 else:
+	# just fill in the one blank
 	thought = thought.format(get_object(thought_type))
 
+# post the thought
 client.status_post(thought)