[release-notes] Fix typos

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 469d802b04ab75c64e3d512c8ecdb55ad9a82964
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Sep 2 16:10:45 2020 -0500

    Fix typos

 help/C/index.page | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index bf49e3d5..8033493c 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -34,7 +34,7 @@
   
   <p>3.38 has been named “Orbis” in recognition of the team behind GUADEC 2020.
   GUADEC is GNOME’s annual conference, which is only possible thanks to the hard
-  work of many volunteers. This years event was meant to be held in Zacatecas,
+  work of many volunteers. This year’s event was meant to be held in Zacatecas,
   Mexico, but had to be moved online due to the pandemic. We are very much
   looking forward to meeting in Mexico in the near future.</p>
 
@@ -57,7 +57,7 @@
     <title>Improved Screen Recording</title>
     <p>Under the covers, the screen recording infrastructure in GNOME shell
     has been improved to take advantage of pipewire and kernel APIs to reduce
-    the resource consumption and improve responsiveness.</p>t
+    the resource consumption and improve responsiveness.</p>
   </section>
 
   <section>