Update doc string at config

Co-authored-by: schmelz21 <81192860+schmelz21@users.noreply.github.com>

src/pe_reports/data/config.py

@@ -8,7 +8,7 @@
 
 
 def config(filename=REPORT_DB_CONFIG, section="postgres"):
-    """Configure connection to creds file and returns creds."""
+    """Pass credentials to access database."""
     parser = ConfigParser()
 
     parser.read(filename, encoding="utf-8")