docs: adding a note about being able to specify a package's source repository (#3477)

* Adding a note about being able to specify a package's source repository

* Updating the list of options for the add command

docs/cli.md

@@ -352,7 +352,7 @@ about dependency groups.
 
 ### Options
 
-* `--group (-D)`: The group to add the dependency to.
+* `--group (-G)`: The group to add the dependency to.
 * `--dev (-D)`: Add package as development dependency. (**Deprecated**)
 * `--editable (-e)`: Add vcs/path dependencies as editable.
 * `--extras (-E)`: Extras to activate for the dependency. (multiple values allowed)
@@ -360,8 +360,8 @@ about dependency groups.
 * `--python`: Python version for which the dependency must be installed.
 * `--platform`: Platforms for which the dependency must be installed.
 * `--source`: Name of the source to use to install the package.
-* `---allow-prereleases`: Accept prereleases.
-* `--dry-run`: Outputs the operations but will not execute anything (implicitly enables --verbose).
+* `--allow-prereleases`: Accept prereleases.
+* `--dry-run`: Output the operations but do not execute anything (implicitly enables --verbose).
 * `--lock`: Do not perform install (only update the lockfile).
 
 

docs/pyproject.md

@@ -216,8 +216,15 @@ you can add it to your `pyproject.toml` file, like so:
 
 ```toml
 [[tool.poetry.source]]
-name = 'private'
-url = 'http://example.com/simple'
+name = "private"
+url = "http://example.com/simple"
+```
+
+If you have multiple repositories configured, you can explicitly tell poetry where to look for a specific package:
+
+```toml
+[tool.poetry.dependencies]
+requests = { version = "^2.13.0", source = "private" }
 ```
 
 {{% note %}}