fix typos

Author: hsbt

en/news/_posts/2018-02-24-ruby-2-6-0-preview1-released.md

@@ -72,7 +72,7 @@ With those changes,
 [1115 files changed, 23023 insertions(+), 14748 deletions(-)](https://github.com/ruby/ruby/compare/v2_5_0...v2_6_0_preview1)
 since Ruby 2.5.0!
 
-Today, Feburary 24th, is Ruby's 25th birthday.
+Today, February 24th, is Ruby's 25th birthday.
 Happy birthday Ruby, and enjoy programming with Ruby 2.6.0-preview1!
 
 ## Download

en/news/_posts/2022-04-03-ruby-3-2-0-preview1-released.md

@@ -77,7 +77,7 @@ The original proposal is https://bugs.ruby-lang.org/issues/17837
 
 * We no longer bundle 3rd party sources like `libyaml`, `libffi`.
 
-    * libyaml source has been removed from psych. You may need to install `libyaml-dev` with Ubuntu/Debian platfrom. The package name is different each platforms.
+    * libyaml source has been removed from psych. You may need to install `libyaml-dev` with Ubuntu/Debian platform. The package name is different each platforms.
 
     * libffi will be removed from `fiddle` at preview2