docs(readme): clarify bump version processs

README.md

@@ -42,6 +42,12 @@ Now you can just run `composer changelog` to generate your changelog.
 The changelog generator will generate a log of changes from the date of the last tag (if not specified with `--from-date`) to the current date (if not specified with` --to-date`),
 and it will put all commit logs in the latest version just created (at the moment it doesn't generate the entire git commit version release history)
 
+> **PS:** all following commands must be run (working dir) on the root of the project or in the path where the changelog should be generated
+
+The changelog generator will generate a log of changes from the date of the last tag *(if not specified with `--from-date`)* to the current date *(if not specified with `--to-date`)*,
+and it will put all commit logs in the latest version just created (at the moment it doesn't generate the entire git commit version release history).
+By default, will be added one to the patch semver part *(Example, if the last version is `1.0.2` the newer, if not specified the identity of the release, will be `1.0.3`)*.
+
 - Generate a changelog without committing files:
 
     `php vendor/bin/conventional-changelog`
@@ -58,13 +64,15 @@ and it will put all commit logs in the latest version just created (at the momen
 
 ### Commands List
 
+> You can have more info about running  `php vendor/bin/conventional-changelog --help`
+
 ```
 -c      --commit        bool        Commit the new release once changelog is generated
 -f      --from-date     str         Get commits from specified date [YYYY-MM-DD]
 -h      --help          bool        Show the helper with all commands available
 -m      --major         bool        Major release (important changes)
 -n      --minor         bool        Minor release (add functionality)
--p      --patch         bool        Patch release (bug fixes)
+-p      --patch         bool        Patch release (bug fixes) [default]
 -t      --to-date       str         Get commits from last tag date (or specified on --from-date) to specified date [YYYY-MM-DD]
 -v      --version       str         Specify next release version code (Semver)
 ```