Fix some help typos.

common/locale/en-US/browsing.xml

@@ -369,7 +369,7 @@ want to bypass &dactyl.appName;'s key handling and pass keys directly to
             to test your changes.
         </p>
         <p>
-            Any arguments supplied are parsed as command line arguments as
+            Any arguments supplied are parsed as command-line arguments as
             specified in <t>startup-options</t>.
         </p>
         <warning>

common/locale/en-US/cmdline.xml

@@ -46,7 +46,7 @@
     </description>
 </item>
 
-<h2 tag="cmdline-editing">Command line editing</h2>
+<h2 tag="cmdline-editing">Command-line editing</h2>
 
 <item>
     <tags><![CDATA[c_<C-i>]]></tags>
@@ -161,7 +161,6 @@
     </description>
 </item>
 
-
 <h2 tag="cmdline-lines">Ex command lines</h2>
 
 <item>
@@ -175,7 +174,7 @@
             it with a backslash. E.g.
             <code><ex>:map \|</ex> <ex>:echo <str>bar</str></ex><k name="CR"/></code>
 
-            Several commands process the entire command line string literally.
+            Several commands process the entire command-line string literally.
             These commands will include any <em>|</em> as part of their
             argument string and so cannot be followed by another command. The
             list of these commands is:
@@ -227,7 +226,7 @@
     </description>
 </item>
 
-<h3 tag="cmdline-arguments">Ex command line arguments</h3>
+<h3 tag="cmdline-arguments">Ex command-line arguments</h3>
 
 <p>
     Most Ex commands accept a number of options and arguments. Arguments and

common/locale/en-US/eval.xml

@@ -196,7 +196,6 @@
     </description>
 </item>
 
-
 <item>
     <tags>:elseif :elsei :elif</tags>
     <spec>:elsei<oa>f</oa> <a>expr</a></spec>

common/locale/en-US/map.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <?xml-stylesheet type="text/xsl" href="chrome://dactyl/content/help.xsl"?>
 
 <!DOCTYPE document SYSTEM "chrome://dactyl/content/help.dtd">
@@ -114,7 +114,7 @@
 
     <dt>-builtin</dt> <dd>Execute this mapping as if there were no user-defined mappings (short name <em>-b</em>)</dd>
     <dt>-count</dt> <dd>Accept a count before the requisite key press (short name <em>-c</em>)</dd>
-    <dt>-descripion</dt> <dd>A description of this mapping (short name <em>-d</em>)</dd>
+    <dt>-description</dt> <dd>A description of this mapping (short name <em>-d</em>)</dd>
     <dt>-ex</dt> <dd>Execute <a>rhs</a> as an Ex command rather than keys (short name <em>-e</em>)</dd>
     <dt>-javascript</dt> <dd>Execute <a>rhs</a> as JavaScript rather than keys (short names <em>-js</em>, <em>-j</em>)</dd>
     <dt>-modes</dt> <dd>Create this mapping in the given modes (short names <em>-mode</em>, <em>-m</em>)</dd>

common/locale/en-US/various.xml

@@ -365,7 +365,7 @@
     <spec>&lt;Esc></spec>
     <description>
         <p>
-            Exits <t>command-line</t>, Insert, or Hints mode and returns to
+            Exits <t>Command-line</t>, Insert, or Hints mode and returns to
             Normal mode. Focuses the content web page.
         </p>
     </description>