Update publish.py

Author: oliviaguest

publish.py

@@ -188,7 +188,7 @@ def git_branch(metadata_file, article_file, article_doi):
 
     # Check if metadata file is newer than pdf
     if os.path.getmtime(metadata_file) > os.path.getmtime(article_file):
-        print("Metadata is newer than PDF, probably PDF needs to be rebuild")
+        print("Metadata is newer than PDF, probably PDF needs to be rebuilt")
         sys.exit(0)
 
     # Read article metadata