[swell-foop] help: Fix broken markup in Mallard docs

[Andre Klapper <aklapper src gnome org>]

commit 5f2d9247f82757901bf0b1dc2c4479d8586644d9
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Jul 6 14:11:49 2020 +0200

    help: Fix broken markup in Mallard docs

 help/C/preferences.page | 4 ++--
 help/C/start.page       | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/help/C/preferences.page b/help/C/preferences.page
index 4c086a2..026a692 100644
--- a/help/C/preferences.page
+++ b/help/C/preferences.page
@@ -34,12 +34,12 @@
 
   <section id="colors">
   <title>Change the number of colors</title>
-  <p>You can increase the number of different objects in the game</p>
+  <p>You can increase the number of different objects in the game.</p>
   <steps>
     <item><p>Select <guiseq><gui style="menu">Swell Foop</gui>
     <gui style="menuitem">Setup</gui></guiseq>.</p></item>
     <item><p>The default number of colors is 3. You can change
-    it from <gui>Number of colors</gui> under <gui>Setup</gui>.
+    it from <gui>Number of colors</gui> under <gui>Setup</gui>.</p></item>
   </steps>
   </section>
 
diff --git a/help/C/start.page b/help/C/start.page
index 94fc3a8..aabbe1c 100644
--- a/help/C/start.page
+++ b/help/C/start.page
@@ -24,8 +24,7 @@
   new game:</p>
   <steps>
     <item><p>Select <guiseq><gui style="menu">Swell Foop</gui>
-    <gui style="menuitem">New Game</gui></guiseq>. </p></item>
-    </item>
+    <gui style="menuitem">New Game</gui></guiseq>.</p></item>
   </steps>
 </page>