diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 834ff0de..d3f2e25a 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -1912,7 +1912,7 @@ def ensure_mod_sequence_value(num)
     # raw_data:: Returns the raw data string.
     UntaggedResponse = Struct.new(:name, :data, :raw_data)
 
-    # Net::IMAP::IgnoredResponse represents intentionaly ignored responses.
+    # Net::IMAP::IgnoredResponse represents intentionally ignored responses.
     #
     # This includes untagged response "NOOP" sent by eg. Zimbra to avoid some
     # clients to close the connection.