update readme

Author: MK2112

README.md

@@ -47,8 +47,9 @@ You can structure a command in three fundamental ways:
 | Command Argument             | Meaning |
 | ---------------------------- | ------- |
 | `-h` or </br>`--help`        | List all available parameters, their description and default values, then exit. |
+| `-l` or </br>`--language`    | Set the CLI language, currently supported: `zh_CN`, `ja_JP`, `fr_FR`, `es_ES`, `it_IT`, `de_DE`, `pt_BR`, `ru_RU`, `ko_KR`, `en_US`, `pl_PL`, `uk_UA`, `hi_IN`. Default is system locale if supported, fallback is `en_US`.|
 | `-i` or </br>`--input`       | Path to file itself or directory containing files to be converted. If not provided, the directory from where the script is called will be used. |
-| `-f` or </br>`--format`      | Desired output file format, either `mp2`, `mp3`, `flac`, `wav`, `aac`, `aiff`, `ogg`, `oga`, `m4a`, `ac3`, `dts`, `weba`, `wma`, `mka`, `wv`, `caf`, `tta`, `m4b`, `eac3`, `spx`, `au`, `opus`, `m3u8`, `w64`, `mlp`, `adts`, `sbc`, `thd`, `jpg`, `png`, `gif`, `bmp`, `pdf`, `srt`, `webp`, `tiff`, `tga`, `eps`, `ps`, `ico`, `eps`, `jpeg2000`, `im`, `pcx`, `ppm`, `mp4`, `webm`, `mov`, `mkv`, `avi`, `wmv`, `flv`, `m2ts`, `3gp`, `3g2`, `mjpeg`, `asf`, `vob`, `ts`, `raw`, `mpg`, `mxf`, `drc`, `swf`, `f4v`, `m4v`, `mts`, `m2v`, `yuv`, movie codecs like `h263p`, `h264`, `h265`, `xvid`, `mpeg1`, `mpeg2`, `mpeg4`, `av1`, `avc`, `theora`, `vp8`, `vp9`, `hevc`, `prores`, `huffyuv`, `ffv1`, `ffvhuff`, `v210`, `v410`, `v308`, `v408`, `zlib`, `qtrle`, `snow`, `svq1`, `utvideo`, `cinepak`, `msmpeg4`, `h264_nvenc`, `vpx`, `h264_rgb`, `mpeg2video`, `prores_ks`, `vc2`, `flv1`, or protocols like `hls` and `dash` |
+| `-f` or </br>`--format`      | Desired output file format, either `mp2`, `mp3`, `flac`, `wav`, `aac`, `aiff`, `ogg`, `oga`, `m4a`, `ac3`, `dts`, `weba`, `wma`, `mka`, `wv`, `caf`, `tta`, `m4b`, `eac3`, `spx`, `au`, `opus`, `m3u8`, `w64`, `mlp`, `adts`, `sbc`, `thd`, `jpeg`, `png`, `gif`, `bmp`, `pdf`, `srt`, `webp`, `tiff`, `tga`, `eps`, `ps`, `ico`, `eps`, `jpeg2000`, `im`, `pcx`, `ppm`, `mp4`, `webm`, `mov`, `mkv`, `avi`, `wmv`, `flv`, `m2ts`, `3gp`, `3g2`, `mjpeg`, `asf`, `vob`, `ts`, `raw`, `mpg`, `mxf`, `drc`, `swf`, `f4v`, `m4v`, `mts`, `m2v`, `yuv`, movie codecs like `h263p`, `h264`, `h265`, `xvid`, `mpeg1`, `mpeg2`, `mpeg4`, `av1`, `avc`, `theora`, `vp8`, `vp9`, `hevc`, `prores`, `huffyuv`, `ffv1`, `ffvhuff`, `v210`, `v410`, `v308`, `v408`, `zlib`, `qtrle`, `snow`, `svq1`, `utvideo`, `cinepak`, `msmpeg4`, `h264_nvenc`, `vpx`, `h264_rgb`, `mpeg2video`, `prores_ks`, `vc2`, `flv1`, or protocols like `hls` and `dash` |
 | `-o` or </br>`--output`      | Directory to save converted files into. Writing to the input file path, if none provided. |
 | `-q` or </br>`--quality`     | Set output file quality, either `low`, `medium`, or `high`; default is same as input. |
 | `-m` or </br>`--merge`       | Merge movie file with equally named audio file to become its audio track. |
@@ -133,7 +134,7 @@ Omitting the `-a`/`--across` parameter will execute merges or concatenations sep
 
 ## Supported Formats
 **Audio:** MP2, MP3, FLAC, AAC, AC3, DTS, OGG, OGA, WMA, WAV, M4A, AIFF, WEBA, MKA, WV, CAF, TTA, M4B, EAC3, SPX, AU, OPUS, M3U8, W64, MLP, ADTS, SBC, THD<br><br>
-**Image:** JPG, PNG, GIF, BMP, WEBP, TIFF, TGA, EPS, PS, ICO, EPS, JPEG2000, IM, PCX, PPM<br><br>
+**Image:** JPEG, PNG, GIF, BMP, WEBP, TIFF, TGA, EPS, PS, ICO, EPS, JPEG2000, IM, PCX, PPM<br><br>
 **Document:** PDF, SRT<br><br>
 **Video:** MP4, WEBM, MOV, MKV, AVI, WMV, FLV, MJPEG, M2TS, 3GP, 3G2, ASF, VOB, TS, RAW, MPG, MXF, DRC, SWF, F4V, M4V, MTS, M2V, YUV<br><br>
 **Video Codec:** AV1, AVC, VP8, VP9, H263P, H264, H265, XVID, MPEG2, MPEG4, THEORA, MPEG1, HEVC, PRORES, HUFFYUV, FFV1, FFVHUFF, V210, V410, V308, V408, ZLIB, QTRLE, SNOW, SVQ1, UTVIDEO, CINEPAK, MSMPEG4, H264_NVENC, VPX; H264_RGB, MPEG2VIDEO, PRORES_KS, VC2, FLV1<br><br>