diff --git a/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php b/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
index 1bfc79da9b..6d275bcefb 100644
--- a/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
+++ b/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
@@ -81,17 +81,35 @@ final class PhabricatorPhurlURLTransaction
             $new);
         }
       case self::TYPE_URL:
-        return pht(
-          '%s changed the destination of the URL from %s to %s.',
-          $this->renderHandleLink($author_phid),
-          $old,
-          $new);
+        if ($old === null) {
+          return pht(
+            '%s set the destination of the URL to %s.',
+            $this->renderHandleLink($author_phid),
+            $new);
+        } else {
+          return pht(
+            '%s changed the destination of the URL from %s to %s.',
+            $this->renderHandleLink($author_phid),
+            $old,
+            $new);
+        }
       case self::TYPE_ALIAS:
-        return pht(
-          '%s changed the alias of the URL from %s to %s.',
-          $this->renderHandleLink($author_phid),
-          $old,
-          $new);
+        if ($old === null) {
+          return pht(
+            '%s set the alias of the URL to %s.',
+            $this->renderHandleLink($author_phid),
+            $new);
+        } else if ($new === null) {
+          return pht(
+            '%s removed the alias of the URL.',
+            $this->renderHandleLink($author_phid));
+        } else {
+          return pht(
+            '%s changed the alias of the URL from %s to %s.',
+            $this->renderHandleLink($author_phid),
+            $old,
+            $new);
+        }
       case self::TYPE_DESCRIPTION:
         return pht(
           "%s updated the URL's description.",
@@ -128,12 +146,13 @@ final class PhabricatorPhurlURLTransaction
       case self::TYPE_URL:
         if ($old === null) {
           return pht(
-            '%s created %s.',
+            '%s set the destination of %s to %s.',
             $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
+            $this->renderHandleLink($object_phid),
+            $new);
         } else {
           return pht(
-            '%s changed the destination of %s from %s to %s',
+            '%s changed the destination of %s from %s to %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid),
             $old,
@@ -142,12 +161,18 @@ final class PhabricatorPhurlURLTransaction
       case self::TYPE_ALIAS:
         if ($old === null) {
           return pht(
-            '%s created %s.',
+            '%s set the alias of %s to %s.',
+            $this->renderHandleLink($author_phid),
+            $this->renderHandleLink($object_phid),
+            $new);
+        } else if ($new === null) {
+          return pht(
+            '%s removed the alias of %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid));
         } else {
           return pht(
-            '%s changed the alias of %s from %s to %s',
+            '%s changed the alias of %s from %s to %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid),
             $old,