fix cosine scheduler docstring
Summary: as title
@@ -16,7 +16,7 @@ class CosineSchedule(FairseqLRScheduler):
We also support a warmup phase where we linearly increase the learning rate
from some initial learning rate (``--warmup-init-lr``) until the configured
- learning rate (``--lr``).
+ max learning rate (``--max-lr``).
During warmup::
