remove keywords from manifest

Cargo.toml

@@ -8,7 +8,7 @@ description = "cli tool which can convert different formats"
 homepage = "https://github.com/oriontvv/convfmt/"
 repository = "https://github.com/oriontvv/convfmt/"
 documentation = "https://docs.rs/convfmt"
-keywords = ["cli", "format", "convert", "convertor", "json", "yaml", "toml"]
+keywords = ["cli", "format", "convert", "convertor", "tool"]
 categories = ["command-line-utilities", "command-line-interface"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

README.md

@@ -8,7 +8,7 @@ A command line tool which can convert formats:
 
 ```bash
 $ convfmt < cfg.json > cfg.yml --from json --to yaml
-$ convfmt < cfg.toml > cfg.json --from toml --to json --compact
+$ cat cfg.toml | convfmt -f toml -t json --compact > cfg.json
 ```
 
 Some formats allow to use `compact` and `pretty`(default) options