Update and correct documentation pages

html-src/rules/bigcell.html

@@ -9,4 +9,5 @@ Move all cards to the foundations.
 <h3>Quick Description</h3>
 <p>
 Like <a href="freecell.html">FreeCell</a>,
-but with three decks and four free cells.
+but with three decks and four free cells,
+and moving sequences is allowed.

html-src/rules/freeparking.html

@@ -10,8 +10,8 @@ by suit from Two to King.
 <h3>Quick Description</h3>
 <p>
 Just like <a href="montana.html">Montana</a>,
-but you can also move cards into a gap that match the suit of the
+but you can also move cards into a gap to the left of a card, if the
-card directly to the right, and is one lower in rank.
+suit matches and it's one lower in rank.
 
 <h3>Notes</h3>
 <p>

html-src/rules/kingcell.html

@@ -9,4 +9,5 @@ Move all cards to the foundations.
 <h3>Quick Description</h3>
 <p>
 Like <a href="freecell.html">FreeCell</a>,
-but only Kings can be played on empty spaces.
+but tableau piles are built down regardless of suit,
+and only Kings can be played on empty spaces.

html-src/rules/numberten.html

@@ -10,5 +10,5 @@ Move all cards to the foundations.
 <p>
 Like <a href="fortythieves.html">Forty Thieves</a>,
 but with ten piles of four cards each (the bottom two cards
-of each pile are face-down) the piles build down by alternate
+of each pile are face-down), the piles build down by alternate
 color, and sequences can be moved.

html-src/rules/serpent.html

@@ -8,7 +8,7 @@ Move all cards to the foundations.
 
 <h3>Quick Description</h3>
 <p>
-Like <a href="snake.html">Snake</a>,
+Like <a href="snake.html">Snake</a>, but
 using two 78 card Tarock decks and the number of cards you can move as a
 sequence is not restricted.