diff --git a/src/spectator/matchers/array_matcher.cr b/src/spectator/matchers/array_matcher.cr
index f5fa171..e49c75b 100644
--- a/src/spectator/matchers/array_matcher.cr
+++ b/src/spectator/matchers/array_matcher.cr
@@ -1,6 +1,8 @@
 require "./value_matcher"
 
 module Spectator::Matchers
+  # Matcher for checking that the contents of one array (or similar type)
+  # has the exact same contents as another and in the same order.
   struct ArrayMatcher(ExpectedType) < ValueMatcher(ExpectedType)
     # Determines whether the matcher is satisfied with the partial given to it.
     # `MatchData` is returned that contains information about the match.