[release-notes] fix typos

[Link Dupont <link src gnome org>]

commit a375a28c78ef90300c23afda7e59b0a0a263a48e
Author: Link Dupont <link sub-pop net>
Date:   Tue Aug 31 20:17:42 2021 -0400

    fix typos

 help/C/developers.page | 11 ++++++-----
 help/C/index.page      |  6 +++---
 2 files changed, 9 insertions(+), 8 deletions(-)
---
diff --git a/help/C/developers.page b/help/C/developers.page
index cf335317..d97723a5 100644
--- a/help/C/developers.page
+++ b/help/C/developers.page
@@ -118,9 +118,10 @@
         details needed here. You can just click the run button and off it will
         go? Do you need a Flatpak manifest, or can you specify the build
         configuration in a more generic CMake-y way?</p>
-        <p>Builder can now also build projects that use a pure Make build setup,
-        in a Flatpak environment, thanks to now being able to hardle `make-args`
-        and `make-install-args`.</p>
+        <p>Builder can now also build projects that use a pure Make build setup
+        in a Flatpak environment, thanks to now being able to handle
+        <cmd>make-args</cmd>
+        and <cmd>make-install-args</cmd>.</p>
       </item>
       <item>
         <title>Connected devices</title>
@@ -156,7 +157,7 @@
           <item><p>The <code>WinPointer</code> API for tablets and other input
           devices now, replacing the outdated <code>wintab</code> API</p></item>
           <item><p>Improved DND support, including the dropping of the local DND
-          protocol</p></item>
+          protocol.</p></item>
         </list>
       </item>
     </list>
@@ -267,7 +268,7 @@
       profiling applications on GNOME OS easier.</p></item>
       <item><p><code>systemd-homed</code> is now included and can be enabled
       manually using <cmd>homectl</cmd>.</p></item>
-      <item><p>Added support for smart-cards and other security keys.</p></item>
+      <item><p>Added support for smartcards and other security keys.</p></item>
       <item><p>Added <code>openconnect</code>, <code>fortisslvpn</code>,
       <code>vpnc</code> and <code>openvpn</code> VPN backends to
       <app>NetworkManager</app>.</p></item>
diff --git a/help/C/index.page b/help/C/index.page
index c899868a..22e45728 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -46,7 +46,7 @@ xmlns:e="http://projectmallard.org/experimental/"; type="guide" id="index">
   Interface Guidelines, new features in the Builder IDE, GTK 4 enhancements, and
   much more.</p>
 
-  <p>GNOME 41 is the second release to use GNOME's new version numbering schema,
+  <p>GNOME 41 is the second release to use GNOME's new version numbering scheme,
   which has replaced the old odd/even point release approach with a simpler,
   single integer. The next release, version 42, is planned for March 2022.</p>
 
@@ -69,9 +69,9 @@ xmlns:e="http://projectmallard.org/experimental/"; type="guide" id="index">
     
     <p>With GNOME 41, these power profiles can be changed quickly from the <gui
     style="menu">System Status</gui> menu. The <gui>Power Saver</gui> profile
-    can be configured to automatically enabled itself when the system is on
+    can be configured to automatically enable itself when the system is on
     battery power and the battery level is low. It also dims the display sooner
-    and fades the screen faster befsore suspending the device.</p>
+    and fades the screen faster before suspending the device.</p>
     
     <p>Initial support has been added that allows applications to request a
     power profile in certain situations. For example, a game can request the