diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index e8a29f518253e5fdea35305851c0b4459d5cf416..97ce7ffc7506627dc1435697f865384e1f77e41a 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -40,7 +40,7 @@
     not meant to handle XML requests.
 
     Third, if the current request is an "interactive" browser request (the user
-    navigated here by entering the URL in the address bar, submiting a form,
+    navigated here by entering the URL in the address bar, submitting a form,
     clicking on a link, etc. as opposed to an XHR or non-browser API request),
     `ActionView::UnknownFormat` is raised to display a helpful error
     message.
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index b020f3bd41e76b720418c1eb5aeed40873f9d60a..b9dcbe53c189e2f74ae5c304fe0985680cef4b64 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -25,7 +25,7 @@
 
     *Tara Scherner de la Fuente*
 
-*   Make `benchmark('something', silence: true)` actually work
+*   Make `benchmark('something', silence: true)` actually work.
 
     *DHH*