[release-notes] Fix mistakes

[Allan Day <allanday src gnome org>]

commit 32b37086025f6be4ef841e5834205ab9a57dbfab
Author: Allan Day <allanpday gmail com>
Date:   Fri Sep 10 19:15:49 2021 +0100

    Fix mistakes

 help/C/developers.page | 4 ++--
 help/C/index.page      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/developers.page b/help/C/developers.page
index 65f2c211..ae764533 100644
--- a/help/C/developers.page
+++ b/help/C/developers.page
@@ -293,8 +293,8 @@
       <item><p><link href="https://linuxcontainers.org/";>LXC</link> tooling is
       now included.</p></item>
       <item><p>RISC-V was added as a CPU architecture.</p></item>
-      <item><p>Mutter is now built with <code>initrd</code> support, enabling better
-      XWayland support.</p></item>
+      <item><p>Mutter is now built with <code>initfd</code> support, enabling
+      better XWayland support.</p></item>
       <item><p><app>xdg-desktop-portal-gnome</app> has been added, for 
       GNOME-specific desktop portals.</p></item>
     </list>
diff --git a/help/C/index.page b/help/C/index.page
index 0b59fc1a..4c680000 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -173,7 +173,7 @@ xmlns:e="http://projectmallard.org/experimental/"; type="guide" id="index">
     <list>
       <item><p>Efficiency improvements in GNOME 41 mean that the screen will
       update faster in response to keyboard and pointer input. This change only
-      applies to those using the Wayland sessionr, and the effects will be
+      applies to those using the Wayland session, and the effects will be
       more noticeable with some displays rather than others (the improvement is
       more significant on displays with lower refresh rates).</p></item>
       <item><p>System-level multitouch gestures now behave more reliably and