2 files changed, 28 insertions, 2 deletions

diff --git a/about.html b/about.html
index 12d78f7..6c51101 100644
--- a/about.html
+++ b/about.html
@@ -26,4 +26,5 @@ Cover art by Rodger B. MacGowan © 2001, 2013.
 <li><a href="/wilderness-war/info/charts.html">Charts &amp; Tables</a>
 <li><a href="/wilderness-war/info/cards.html">Cards</a>
 <li><a href="/wilderness-war/info/pieces.html">Leaders &amp; Units</a>
+<li><a href="/wilderness-war/info/notes.html">Implementation notes</a>
 </ul>
diff --git a/info/notes.html b/info/notes.html
index b499b0b..a126340 100644
--- a/info/notes.html
+++ b/info/notes.html
@@ -14,9 +14,34 @@ Wilderness War: Implementation Notes</h1>
 <hr>
 
 <p>
-Question?
+How can I examine a stack that is in an action space?
 <p>
-Answer!
+Hold down the Shift key!
+<p>
+The shift key sends action spaces to the bottom layer and turns them inactive,
+so that you can safely click on any stacks on the map to expand them without
+the risk of sending your forces into an unwanted battle.
+
+<hr>
+
+<p>
+What does the "Mouse Focus" option do?
+<p>
+This option expands stacks as soon as you move your mouse over them,
+so you don't have to click to expand them.
+
+<hr>
+
+<p>
+Why can't I undo?
+<p>
+You cannot undo when one of two things happen:
+<ol>
+<li>You rolled a die, drew a random leader, or picked a random card.
+<li>Control changed to your opponent (sending out an "It's your turn" notification).
+</ol>
+<p>
+So be careful where you move, lest you send your forces marching straight into an ambush.
 
 <hr>