1 more string improvement

Author: Avasam

AutoDuck/makedfromi.py

@@ -84,7 +84,7 @@ def make_doc_summary(inFile, outFile):
                             else:
                                 extra_tags.append("// " + doc + "\n")
         except Exception as msg:
-            print("Line %d is badly formed - %s" % (lineNo, msg))
+            print(f"Line {lineNo} is badly formed - {msg}")
 
         lineNo += 1
 
@@ -151,7 +151,7 @@ def doit():
         msg = " ".join(args)
     except getopt.error as msg:
         print(msg)
-        print("Usage: %s [-o output_name] [-p com_parent] filename" % sys.argv[0])
+        print(f"Usage: {sys.argv[0]} [-o output_name] [-p com_parent] filename")
         return
 
     inName = args[0]