diff --git a/src/Knowledge/Ingest/DocumentLoader.php b/src/Knowledge/Ingest/DocumentLoader.php
index 0f61e42..f2b4704 100644
--- a/src/Knowledge/Ingest/DocumentLoader.php
+++ b/src/Knowledge/Ingest/DocumentLoader.php
@@ -46,7 +46,7 @@ final class DocumentLoader
             $pdf = $parser->parseFile($path);
             $text = $pdf->getText();
         } catch (\Throwable $e) {
-            throw new \RuntimeException("Failed to parse PDF: {$path}", 0, $e);
+            throw new \RuntimeException("Failed to parse PDF: {$path}. Error: " . $e->getMessage(), 0, $e);
         }
 
         return $this->normalize($text);