fix terminology

Author: avallecam

instructors/02-practical-tutors.qmd

@@ -288,7 +288,7 @@ Interpretation template:
 `1987` with 90% credible interval of `760` to `4566`.
 
 + The effective reproduction number $R_t$ estimate (on the last date of the data),
-or the number of new infections caused by one infectious individual, on average, is
+or the number of new infections caused by one infected individual, on average, is
 `0.81`, with a 90% credible interval of `0.43` to `1.30`.
 
 + The exponential growth rate of case reports is, on average

instructors/files/02-practical-tutors.md

@@ -385,7 +385,7 @@ Interpretation template:
   average, of `1987` with 90% credible interval of `760` to `4566`.
 
 - The effective reproduction number $R_t$ estimate (on the last date of
-  the data), or the number of new infections caused by one infectious
+  the data), or the number of new infections caused by one infected
   individual, on average, is `0.81`, with a 90% credible interval of
   `0.43` to `1.30`.