refactor some comments

Author: FerTV

nebula/core/eventmanager.py

@@ -13,15 +13,15 @@ class EventManager:
     _lock = Locker("event_manager")
 
     def __new__(cls, *args, **kwargs):
-        """Implementación del patrón Singleton."""
+        """Singleton implementation"""
         with cls._lock:
             if cls._instance is None:
                 cls._instance = super().__new__(cls)
                 cls._instance._initialize(*args, **kwargs)
         return cls._instance
 
     def _initialize(self, verbose=False):
-        """Inicializa la instancia única (solo se ejecuta una vez)."""
+        """Single initialization"""
         if hasattr(self, "_initialized"):
             return
         self._subscribers: dict[tuple[str, str], list] = {}
@@ -37,7 +37,7 @@ def _initialize(self, verbose=False):
 
     @staticmethod
     def get_instance(verbose=False):
-        """Método estático para obtener la instancia única."""
+        """Static method to obtain EventManager instance"""
         if EventManager._instance is None:
             EventManager(verbose=verbose)
         return EventManager._instance