Update profiling.md (#2659)

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Closes #

## Introduced changes

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- Update the directory name where profiling files are saved

## Checklist

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- [ ] Linked relevant issue
- [ ] Updated relevant documentation
- [ ] Added relevant tests
- [ ] Performed self-review of the code
- [ ] Added changes to `CHANGELOG.md`

docs/src/snforge-advanced-features/profiling.md

@@ -20,6 +20,7 @@ If you want `snforge` to call `cairo-profiler` on generated files automatically,
 ```shell
 $ snforge test --build-profile
 ``` 
+The files with profiling data will be saved to `profile` directory.
 
 ## Passing arguments to `cairo-profiler`
 
@@ -32,4 +33,4 @@ $ snforge test --build-profile -- --show-inlined-functions
 
 > 📝 **Note**
 >
-> Running `snforge test --help` won't show info about `cairo-profiler` flags. To see them, run `snforge test --build-profile -- --help`.
+> Running `snforge test --help` won't show info about `cairo-profiler` flags. To see them, run `snforge test --build-profile -- --help`.