diff --git a/includes/functions/_utility.php b/includes/functions/_utility.php
index 82b7c188..98a30bdf 100644
--- a/includes/functions/_utility.php
+++ b/includes/functions/_utility.php
@@ -3066,12 +3066,13 @@ function fictioneer_get_post_patreon_data( $post = null ) {
  * @since 5.19.0
  * @see get_template_part()
  *
- * @param string      $slug  The slug name for the generic template.
- * @param string|null $name  Optional. The name of the specialized template.
- * @param array       $args  Optional. Additional arguments passed to the template.
+ * @param string      $slug        The slug name for the generic template.
+ * @param int|null    $expiration  Optional. Seconds until the cache expires. Default 24 hours in seconds.
+ * @param string|null $name        Optional. The name of the specialized template.
+ * @param array       $args        Optional. Additional arguments passed to the template.
  */
 
-function fictioneer_get_static_template_part( $slug, $name = null, $args = [] ) {
+function fictioneer_get_static_template_part( $slug, $expiration = null, $name = null, $args = [] ) {
   // Use default function if...
   if (
     ! get_option( 'fictioneer_enable_static_partials' ) ||
@@ -3098,7 +3099,7 @@ function fictioneer_get_static_template_part( $slug, $name = null, $args = [] )
   if ( file_exists( $path ) ) {
     $filemtime = filemtime( $path );
 
-    if ( time() - $filemtime < DAY_IN_SECONDS ) {
+    if ( time() - $filemtime < ( $expiration ?? DAY_IN_SECONDS ) ) {
       echo file_get_contents( $path );
       return;
     }
@@ -3141,7 +3142,7 @@ function fictioneer_clear_cached_html() {
     $todo = ( $fileinfo->isDir() ? 'rmdir' : 'unlink' );
 
     if ( ! $todo( $fileinfo->getRealPath() ) ) {
-      error_log( "Failed to delete " . $fileinfo->getRealPath() );
+      error_log( 'Failed to delete ' . $fileinfo->getRealPath() );
     }
   }
 }