diff --git a/ext/source_history/main.php b/ext/source_history/main.php
index 037f41a4..d8de6b55 100644
--- a/ext/source_history/main.php
+++ b/ext/source_history/main.php
@@ -250,7 +250,7 @@ class Source_History extends Extension
     /**
      * This function attempts to revert all changes by a given IP within an (optional) timeframe.
      */
-    public function process_revert_all_changes(string $name, string $ip, string $date)
+    public function process_revert_all_changes(?string $name, ?string $ip, ?string $date)
     {
         global $database;
         
@@ -268,16 +268,16 @@ class Source_History extends Extension
             }
         }
 
-        if (!is_null($date)) {
-            $select_code[] = 'date_set >= ?';
-            $select_args[] = $date;
-        }
-
         if (!is_null($ip)) {
             $select_code[] = 'user_ip = ?';
             $select_args[] = $ip;
         }
 
+        if (!is_null($date)) {
+            $select_code[] = 'date_set >= ?';
+            $select_args[] = $date;
+        }
+
         if (count($select_code) == 0) {
             log_error("source_history", "Tried to mass revert without any conditions");
             return;
diff --git a/ext/source_history/theme.php b/ext/source_history/theme.php
index f987c0f2..9d6faeac 100644
--- a/ext/source_history/theme.php
+++ b/ext/source_history/theme.php
@@ -111,16 +111,14 @@ class Source_HistoryTheme extends Themelet
         }
         
         $html = '
-			Revert source changes/edit by a specific IP address or username.
-			<br>You can restrict the time frame to revert these edits as well.
-			<br>(Date format: 2011-10-23)
+			Revert source changes by a specific IP address or username, optionally limited to recent changes.
 			'.$validation_msg.'
 
 			<br><br>'.make_form(make_link("source_history/bulk_revert"), 'POST')."
 				<table class='form'>
 					<tr><th>Username</th>        <td><input type='text' name='revert_name' size='15'></td></tr>
 					<tr><th>IP&nbsp;Address</th> <td><input type='text' name='revert_ip' size='15'></td></tr>
-					<tr><th>Date&nbsp;range</th> <td><input type='date' name='revert_date' size='15'></td></tr>
+					<tr><th>Since</th>           <td><input type='date' name='revert_date' size='15'></td></tr>
 					<tr><td colspan='2'><input type='submit' value='Revert'></td></tr>
 				</table>
 			</form>
diff --git a/ext/tag_history/main.php b/ext/tag_history/main.php
index ad73f7ad..125c36c7 100644
--- a/ext/tag_history/main.php
+++ b/ext/tag_history/main.php
@@ -247,7 +247,7 @@ class Tag_History extends Extension
     /**
      * This function attempts to revert all changes by a given IP within an (optional) timeframe.
      */
-    public function process_revert_all_changes(string $name, string $ip, string $date)
+    public function process_revert_all_changes(?string $name, ?string $ip, ?string $date)
     {
         global $database;
         
@@ -265,16 +265,16 @@ class Tag_History extends Extension
             }
         }
 
-        if (!is_null($date)) {
-            $select_code[] = 'date_set >= ?';
-            $select_args[] = $date;
-        }
-
         if (!is_null($ip)) {
             $select_code[] = 'user_ip = ?';
             $select_args[] = $ip;
         }
 
+        if (!is_null($date)) {
+            $select_code[] = 'date_set >= ?';
+            $select_args[] = $date;
+        }
+
         if (count($select_code) == 0) {
             log_error("tag_history", "Tried to mass revert without any conditions");
             return;
diff --git a/ext/tag_history/theme.php b/ext/tag_history/theme.php
index 9d48abde..dfa1ab41 100644
--- a/ext/tag_history/theme.php
+++ b/ext/tag_history/theme.php
@@ -123,16 +123,14 @@ class Tag_HistoryTheme extends Themelet
         }
         
         $html = '
-			Revert tag changes/edit by a specific IP address or username.
-			<br>You can restrict the time frame to revert these edits as well.
-			<br>(Date format: 2011-10-23)
+			Revert tag changes by a specific IP address or username, optionally limited to recent changes.
 			'.$validation_msg.'
 
 			<br><br>'.make_form(make_link("tag_history/bulk_revert"), 'POST')."
 				<table class='form'>
 					<tr><th>Username</th>        <td><input type='text' name='revert_name' size='15'></td></tr>
 					<tr><th>IP&nbsp;Address</th> <td><input type='text' name='revert_ip' size='15'></td></tr>
-					<tr><th>Date&nbsp;range</th> <td><input type='date' name='revert_date' size='15'></td></tr>
+					<tr><th>Since</th>           <td><input type='date' name='revert_date' size='15'></td></tr>
 					<tr><td colspan='2'><input type='submit' value='Revert'></td></tr>
 				</table>
 			</form>