Adjust error message

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/docx/docx-reader.js b/lib/docx/docx-reader.js
index f0b6c89..8423782 100644
--- a/lib/docx/docx-reader.js
+++ b/lib/docx/docx-reader.js
@@ -75,7 +75,7 @@ function read(docxFile, input) {
                 });
             });
         } else {
-            throw new Error("Could not find word/document.xml in ZIP file. Are you sure this is a valid .docx file?");
+            throw new Error("Could not find main document part. Are you sure this is a valid .docx file?");
         }
     });
 }
diff --git a/test/mammoth.tests.js b/test/mammoth.tests.js
index 2dbdbe4..3ce96d4 100644
--- a/test/mammoth.tests.js
+++ b/test/mammoth.tests.js
@@ -424,6 +424,6 @@ test('should throw error if file is not a valid docx document', function() {
     return mammoth.convertToHtml({path: docxPath}).then(function(result) {
         assert.ok(false, "Expected error");
     }, function(error) {
-        assert.equal(error.message, "Could not find word/document.xml in ZIP file. Are you sure this is a valid .docx file?");
+        assert.equal(error.message, "Could not find main document part. Are you sure this is a valid .docx file?");
     });
 });