fixed date

MatheMagicianPi · MatheMagicianPi · commit 1eb3badeed6d · 2023-08-06T14:03:32.000-07:00
diff --git a/src/sage/dynamics/arithmetic_dynamics/dynamical_semigroup.py b/src/sage/dynamics/arithmetic_dynamics/dynamical_semigroup.py
@@ -6,7 +6,7 @@
 
 AUTHORS:
 
- - Dang Phan (July 21st, 2023): initial implementation
+ - Dang Phan (August 6th, 2023): initial implementation
 """
 
 #*****************************************************************************
