CHANGELOG.md in down-5.2.0 vs CHANGELOG.md in down-5.2.1

@@ -1,9 +1,13 @@
+## 5.2.1 (2021-04-26)
+
+* Raise `Down::NotModified` on 304 response status in `Down::NetHttp#open` (@ellafeldmann)
+
 ## 5.2.0 (2020-09-20)
 
 * Add `:uri_normalizer` option to `Down::NetHttp` (@janko)
 
-* Add `:http_basic_authentication` option to `Down::NetHttp#download` (@janko)
+* Add `:http_basic_authentication` option to `Down::NetHttp#open` (@janko)
 
 * Fix uninitialized instance variables warnings in `Down::ChunkedIO` (@janko)
 
 * Handle unknown HTTP error codes in `Down::NetHttp` (@darndt)