Apply suggestions from code review

Co-authored-by: BrunoLiegiBastonLiegi <45011234+BrunoLiegiBastonLiegi@users.noreply.github.com>

src/qibotn/backends/__init__.py

@@ -35,7 +35,7 @@ class MetaBackend:
         else:
             raise_error(
                 NotImplementedError,
-                f"Unsupported platform {platform}, please pick one in (`cutensornet`, `qutensornet`, `qmatchatea`)",
+                f"Unsupported platform {platform}, please pick one in {PLATFORMS}",
             )
 
     def list_available(self) -> dict:

src/qibotn/backends/qmatchatea.py

@@ -19,7 +19,7 @@ class QMatchaTeaBackend(QibotnBackend):
     def __init__(self):
         super().__init__()
 
-        self.name = "qiboml"
+        self.name = "qibotn"
         self.platform = "qmatchatea"
 
         # Set default configurations