diff --git a/app/models/concerns/importable.rb b/app/models/concerns/importable.rb
index b4da63b..814073b 100644
--- a/app/models/concerns/importable.rb
+++ b/app/models/concerns/importable.rb
@@ -42,10 +42,10 @@ def validate_prefix(doi)
     end
 
     def normalize_doi(doi)
-      Rails.logger.info("[Event Import Worker: normalize doi]")
-      Rails.logger.info("[Event Import Worker: normalize doi -> doi = #{doi}]")
+      Rails.logger.info("[Event Import Worker]: normalize doi method")
+      Rails.logger.info("[Event Import Worker]: normalize doi -> doi = #{doi}")
       doi = validate_doi(doi)
-      Rails.logger.info("[Event Import Worker: normalize doi (After validation) -> doi = #{doi}]")
+      Rails.logger.info("[Event Import Worker]: normalize doi (After validation) -> doi = #{doi}")
       return nil if doi.blank?
 
       # remove non-printing whitespace and downcase