spelling & readme

README.md

@@ -1,2 +1,10 @@
 # passgen
+Usage:
+```
+passgen <wordlist_path> <word_count>
+```
 
+example output:
+```
+retrace-choice-litter-dreamt-zipping
+```

passgen.cpp

@@ -18,7 +18,7 @@ std::vector<std::string> readWordlist(std::string filePath)
 			map.push_back(line);
 		}
 	} else {
-		std::cout << std::format("ERROR: failed op open '{}'\n", filePath);
+		std::cout << std::format("ERROR: failed to open '{}'\n", filePath);
 	}
 
 	return map;