Update vignettes/qenv.Rmd

Co-authored-by: Marcin <133694481+m7pr@users.noreply.github.com>
Signed-off-by: Oriol Senan  <35930244+osenan@users.noreply.github.com>

Author: osenan

vignettes/qenv.Rmd

@@ -187,7 +187,7 @@ if (interactive()) {
 
 ### Reproducibility
 
-Code inside a `qenv` can be reproduced by calling function `get_code`
+The code inside a `qenv` object can be retrieved using `get_code` function.
 ```{r, get_code}
 q_reproducible <- qenv()
 q_reproducible <- within(q_reproducible, {