A few grammatical changes.

src/koans/20_partition.clj

@@ -5,14 +5,14 @@
   "But watch out if there are not enough elements to form n sequences"
   (= '(__) (partition 3 [:a :b :c :d :e]))
 
-  "You can use partition-all to also get partitions with less then n elements"
+  "You can use partition-all to also get partitions with less than n elements"
   (= __ (partition-all 3 (range 5)))
 
   "If you need to, you can start each sequence with an offset"
   (= '((0 1 2) (5 6 7) (10 11 12)) (partition 3 __ (range 13)))
 
-  "Consider padding the last sequence with some default values.."
+  "Consider padding the last sequence with some default values..."
   (= '((0 1 2) (3 4 5) (6 :hello)) (partition 3 3 [__] (range 7)))
 
-  ".. but notice that they will only pad up to given sequence length"
-  (= '((0 1 2) (3 4 5) __) (partition 3 3 [:this :are "my" "words"] (range 7))))
+  "... but notice that they will only pad up to the given sequence length"
+  (= '((0 1 2) (3 4 5) __) (partition 3 3 [:these :are "my" "words"] (range 7))))