Merge pull request #357 from YoniChechik/patch-1

Update README.md - typo fix: Mamba2 should be used

Author: albertfgu

README.md

@@ -75,7 +75,7 @@ A simpler version is at [modules/mamba2_simple.py](mamba_ssm/modules/mamba2_simp
 The usage is similar to Mamba(-1):
 ``` python
 from mamba_ssm import Mamba2
-model = Mamba(
+model = Mamba2(
     # This module uses roughly 3 * expand * d_model^2 parameters
     d_model=dim, # Model dimension d_model
     d_state=64,  # SSM state expansion factor, typically 64 or 128