Pair up dangling paragraph tags; Make sure all text at least in P

Closing P tags are missing or mistyped for another letter.

Other chunks of text need to be wrapped in P tags to fall
inline with rest of page and not run with such wild abandon.

branching/index.html

@@ -95,6 +95,7 @@ $ git branch
 
     <p>So let's start by creating a new branch and switching to it.  You can do
     that by running <code>git branch (branchname)</code>.
+	</p>
 
 <pre>
 $ git branch testing
@@ -306,7 +307,7 @@ class HiWorld
       revert to what it was before I switched branches. Here I can change
       something different (in this case the printed output) and at the same
       time rename the file from <code>hello.rb</code> to <code>ruby.rb</code>.
-      </b>
+      </p>
 
 <pre>
 <b>$ git checkout master</b>
@@ -372,7 +373,7 @@ HiWorld.hello
       of code is edited in different branches there is no way for a computer
       to figure it out, so it's up to us.  Let's see another example of changing
       the same line in two branches.
-    <p>
+    </p>
 
 <pre>
 <b>$ git branch</b>
@@ -504,6 +505,7 @@ M  README
     <code>git log</code> when you are in that branch.  For example, if we run
     <code>git log</code> in the Hello World project that we have been working
     on in this section, we'll see all the commit messages that we've done.
+	</p>
 
 <pre>
 <b>$ git log</b>