Remove double word (#1716)

Author: yvonnefroehlich

workflow-basics.qmd

@@ -38,7 +38,7 @@ You can **c**ombine multiple elements into a vector with `c()`:
 primes <- c(2, 3, 5, 7, 11, 13)
 ```
 
-And basic arithmetic on vectors is applied to every element of of the vector:
+And basic arithmetic on vectors is applied to every element of the vector:
 
 ```{r}
 primes * 2