Fix error message

Author: mdboom

cuda_core/cuda/core/system/_device.pyx

@@ -896,7 +896,7 @@ cdef class Device:
         For devices with NVLink support.
         """
         if link < 0 or link >= self.get_nvlink_count():
-            raise ValueError(f"Link index {link} is out of range [0, {self.get_num_nvlinks()})")
+            raise ValueError(f"Link index {link} is out of range [0, {self.get_nvlink_count()})")
         return NvlinkInfo(self, link)
 
     @versionadded(version="1.1.0")