Update README.md

Author: Xiaojieqiu

README.md

@@ -46,7 +46,7 @@ Single-cell (sc)RNA-seq, together with RNA velocity and metabolic labeling, reve
 * 1/28/2023: We welcome @Ukyeon to join the dynamo develop team! 
 * 15/12/2022: *Thanks for @elfofmaxwell and @MukundhMurthy's contribution*. dynamo 1.2.0 released
 * 11/11/2022: the continuing development of dynamo and the Aristotle ecosystem will be supported by CZI. See [here](https://chanzuckerberg.com/eoss/proposals/predictive-modeling-of-single-cell-multiomics-over-time-and-space/)
-* 4/14/2022: dynamo 1.1.0 released
+* 4/14/2022: dynamo 1.1.0 released!
 * 3/14/2022: Since today dynamo has its own logo! Here the arrow represents the RNA velocity vector field, while the helix the RNA molecule and the colored dots RNA metabolic labels (4sU labeling). See [readthedocs](https://dynamo-release.readthedocs.io/en/latest/index.html)
 * 2/15/2022: primers and tutorials on least action paths and in silico perturbation are released.
 * 2/1/2022: after 3.5+ years of perseverance, our dynamo paper is finally online in [Cell](https://www.sciencedirect.com/science/article/pii/S0092867421015774#tbl1) today!