diff --git a/History.md b/History.md
index 571cd0e47c5..5edd589a78f 100644
--- a/History.md
+++ b/History.md
@@ -571,7 +571,7 @@ This is the first Express 5.0 alpha release, based off 4.10.1.
   * deps: utils-merge@1.0.1
   * deps: vary@~1.1.2
     - perf: improve header token parsing speed
-  * perf: re-use options object when generating ETags
+  * perf: reuse options object when generating ETags
   * perf: remove dead `.charset` set in `res.jsonp`
 
 4.15.5 / 2017-09-24
@@ -3290,7 +3290,7 @@ Closes #805
   * Added options support to `res.clearCookie()`
   * Added `res.helpers()` as alias of `res.locals()`
   * Added; json defaults to UTF-8 with `res.send()`. Closes #632. [Daniel   * Dependency `connect >= 1.4.0`
-  * Changed; auto set Content-Type in res.attachement [Aaron Heckmann]
+  * Changed; auto set Content-Type in res.attachment [Aaron Heckmann]
   * Renamed "cache views" to "view cache". Closes #628
   * Fixed caching of views when using several apps. Closes #637
   * Fixed gotcha invoking `app.param()` callbacks once per route middleware.