diff --git a/src/Epub/Package.cs b/src/Epub/Package.cs
index cdbb994..4ce0d1c 100644
--- a/src/Epub/Package.cs
+++ b/src/Epub/Package.cs
@@ -52,7 +52,7 @@ internal Package(ZipArchive zip, XDocument document, string baseDir = "OEBPS")
         var ids = document.XPathSelectElements("opf:package/opf:metadata/dc:identifier", xmlns);
         var pid = (uid == null ?
             ids.FirstOrDefault() :
-            ids.FirstOrDefault(x => x.Attribute("id")?.Value == uid)) 
+            ids.FirstOrDefault(x => x.Attribute("id")?.Value == uid))
             ?? throw new InvalidArchiveException(ThisAssembly.Strings.MissingIdentifier);
 
         var date = document.XPathSelectElement("opf:package/opf:metadata/opf:meta[@property='dcterms:modified']", xmlns)?.Value;
diff --git a/src/Epub/Publication.cs b/src/Epub/Publication.cs
index 6c086d8..d7eee38 100644
--- a/src/Epub/Publication.cs
+++ b/src/Epub/Publication.cs
@@ -65,7 +65,7 @@ Package ReadPackage()
 
         using var reader = XmlReader.Create(entry.Open()).IgnoreNamespaces();
         var doc = XDocument.Load(reader);
-        var root = doc.CssSelectElement("rootfile[full-path][media-type=application/oebps-package+xml]") 
+        var root = doc.CssSelectElement("rootfile[full-path][media-type=application/oebps-package+xml]")
             ?? throw new InvalidArchiveException(ThisAssembly.Strings.MissingPackage);
 
         var path = root.Attribute("full-path")?.Value;