Fix typo in SyclContextCreationError and SyclContextCreationError exceptions text

Author: antonwolfy

dpctl/_sycl_context.pyx

@@ -59,7 +59,7 @@ _logger = logging.getLogger(__name__)
 cdef class SyclContextCreationError(Exception):
     """
     A ``SyclContextCreationError`` exception is raised
-    when :class:`.SyclContext` could not created.
+    when :class:`.SyclContext` could not be created.
     """
     pass
 

dpctl/_sycl_device.pyx

@@ -128,7 +128,7 @@ __all__ = [
 cdef class SyclDeviceCreationError(Exception):
     """
     A ``SyclDeviceCreationError`` exception is raised when
-    :class:`.SyclDevice` instance could not created.
+    :class:`.SyclDevice` instance could not be created.
     """
     pass