diff --git a/docs/user-guide-diagrams.md b/docs/user-guide-diagrams.md
index 92ec0317..ef861e0e 100644
--- a/docs/user-guide-diagrams.md
+++ b/docs/user-guide-diagrams.md
@@ -20,6 +20,11 @@ layout: user-guide
 <p>Package nodes can contain child nodes. To add a child node to a package, select the desired Node Creation tool and click within a package to add this node directly as a child node. To add an existing node to a package, position the node on top of the package and hit the Shift key. To detach a node from a package, also hit the Shift key.</p>
 <img src="../tipdata/tip_images/tip30.png">
 </div>
+<button class="collapsible">Underlining or Italicizing Text</button>
+<div class="content">
+<p>To show a line of text in italics, surround it with forward slashes (e.g., /abstract/). To show a line of text underlined, surround it with underscores (e.g., _underlined_).</p>
+<img src="../tipdata/tip_images/tip39.png">
+</div>
 </div>
 <button class="collapsible category">Sequence</button>
 <div class="content">
diff --git a/docs/user-guide-levels.md b/docs/user-guide-levels.md
index b90f60d0..8a3681d1 100644
--- a/docs/user-guide-levels.md
+++ b/docs/user-guide-levels.md
@@ -180,6 +180,11 @@ layout: user-guide
 <p>In the Properties editor for any diagram element, use the shortcut key combination Ctrl-Q to insert the characters « », which are the delimiters for UML stereotypes. The cursor will be positioned between the delimiters, so you can just continue typing the name of your stereotype.</p>
 <img src="../tipdata/tip_images/tip36.png">
 </div>
+<button class="collapsible">Underlining or Italicizing Text</button>
+<div class="content">
+<p>To show a line of text in italics, surround it with forward slashes (e.g., /abstract/). To show a line of text underlined, surround it with underscores (e.g., _underlined_).</p>
+<img src="../tipdata/tip_images/tip39.png">
+</div>
 </div>
 <button class="collapsible category">Advanced</button>
 <div class="content">
diff --git a/docs/user-guide-topics.md b/docs/user-guide-topics.md
index 10c15f6c..f0af9f6f 100644
--- a/docs/user-guide-topics.md
+++ b/docs/user-guide-topics.md
@@ -64,6 +64,11 @@ layout: user-guide
 <p>In the Properties editor for any diagram element, use the shortcut key combination Ctrl-Q to insert the characters « », which are the delimiters for UML stereotypes. The cursor will be positioned between the delimiters, so you can just continue typing the name of your stereotype.</p>
 <img src="../tipdata/tip_images/tip36.png">
 </div>
+<button class="collapsible">Underlining or Italicizing Text</button>
+<div class="content">
+<p>To show a line of text in italics, surround it with forward slashes (e.g., /abstract/). To show a line of text underlined, surround it with underscores (e.g., _underlined_).</p>
+<img src="../tipdata/tip_images/tip39.png">
+</div>
 </div>
 <button class="collapsible category">Modifying</button>
 <div class="content">