diff --git a/src/applications/markup/engine/PhabricatorMarkupEngine.php b/src/applications/markup/engine/PhabricatorMarkupEngine.php
index de917e3c77..1e94db0136 100644
--- a/src/applications/markup/engine/PhabricatorMarkupEngine.php
+++ b/src/applications/markup/engine/PhabricatorMarkupEngine.php
@@ -146,6 +146,7 @@ class PhabricatorMarkupEngine {
     $rules[] = new PhutilRemarkupRuleEscapeHTML();
     $rules[] = new PhutilRemarkupRuleBold();
     $rules[] = new PhutilRemarkupRuleItalic();
+    $rules[] = new PhutilRemarkupRuleDel();
 
     $blocks = array();
     $blocks[] = new PhutilRemarkupEngineRemarkupQuotesBlockRule();
diff --git a/src/applications/markup/engine/__init__.php b/src/applications/markup/engine/__init__.php
index 48466fc9c7..6dd33510d0 100644
--- a/src/applications/markup/engine/__init__.php
+++ b/src/applications/markup/engine/__init__.php
@@ -29,6 +29,7 @@ phutil_require_module('phutil', 'markup/engine/remarkup/blockrule/remarkuplitera
 phutil_require_module('phutil', 'markup/engine/remarkup/blockrule/remarkupnote');
 phutil_require_module('phutil', 'markup/engine/remarkup/blockrule/remarkupquotes');
 phutil_require_module('phutil', 'markup/engine/remarkup/markuprule/bold');
+phutil_require_module('phutil', 'markup/engine/remarkup/markuprule/del');
 phutil_require_module('phutil', 'markup/engine/remarkup/markuprule/escapehtml');
 phutil_require_module('phutil', 'markup/engine/remarkup/markuprule/escaperemarkup');
 phutil_require_module('phutil', 'markup/engine/remarkup/markuprule/hyperlink');
diff --git a/src/docs/userguide/remarkup.diviner b/src/docs/userguide/remarkup.diviner
index a455f80589..b737623c94 100644
--- a/src/docs/userguide/remarkup.diviner
+++ b/src/docs/userguide/remarkup.diviner
@@ -18,7 +18,7 @@ formatting text in Remarkup.
 
 These are inline styles, and can be applied to most text:
 
-  **bold** //italic// ##monospaced## `monospaced`
+  **bold** //italic// ##monospaced## `monospaced` ~~deleted~~
   D123 T123 rX123           # Link to Objects
   {D123} {T123}             # Link to Objects (Full Name)
   {F123}                    # Embed Images
@@ -47,9 +47,10 @@ Format **basic text styles** like this:
   //italic text//
   ##monospaced text##
   `monospaced text`
+  ~~deleted text~~
 
-Those produce **bold text**, //italic text//, ##monospaced text## and
-`monospaced text`, respectively.
+Those produce **bold text**, //italic text//, ##monospaced text##,
+`monospaced text` and ~~deleted text~~, respectively.
 
 = Layout =