Correct the typo

Author: soimkim

README.md

@@ -86,7 +86,7 @@ $ tree
 └── scancode_2021-03-21_20-44-34.json
 
 ```
-- OSS_Report_[datetime].xlsx : FOSSLight Source result in OSS Report format.
+- OSS-Report_[datetime].xlsx : FOSSLight Source result in OSS Report format.
 - result_[datetime].csv : Excluding windows, this is the result of outputting the OSS Report in csv format.
 - fosslight_src_log_[datetime].txt: This is the file where the execution log is saved.
 - scancode_[datetime].json : This is the ScanCode result when the -j option is given with the fosslight_source command.

docs/README_Kor.md

@@ -84,7 +84,7 @@ $ tree
 └── scancode_2021-03-21_20-44-34.json
 
 ```
-- OSS_Report_[datetime].xlsx : OSS Report형태의 Source Code 분석 결과
+- OSS-Report_[datetime].xlsx : OSS Report형태의 Source Code 분석 결과
 - result_[datetime].csv : OSS Report를 csv로 출력한 결과 (Windows 제외)
 - fosslight_src_log_[datetime].txt: 실행 로그가 저장된 파일
 - scancode_[datetime].json : ScanCode 실행 결과 (fosslight_source명령어에 -j 옵션이 포함된 경우에만 생성)