Tiny grammar edit to quarto.qmd (#1718)

Author: hbeale

quarto.qmd

@@ -313,7 +313,7 @@ The most important set of options controls if your code block is executed and wh
 -   `include: false` runs the code, but doesn't show the code or results in the final document.
     Use this for setup code that you don't want cluttering your report.
 
--   `echo: false` prevents code, but not the results from appearing in the finished file.
+-   `echo: false` prevents code, but not the results, from appearing in the finished file.
     Use this when writing reports aimed at people who don't want to see the underlying R code.
 
 -   `message: false` or `warning: false` prevents messages or warnings from appearing in the finished file.
@@ -850,4 +850,4 @@ To improve your writing, we highly recommend reading either [*Style: Lessons in
 Both books will help you understand the structure of sentences and paragraphs, and give you the tools to make your writing more clear.
 (These books are rather expensive if purchased new, but they're used by many English classes so there are plenty of cheap second-hand copies).
 George Gopen also has a number of short articles on writing at <https://www.georgegopen.com/litigation-articles.html>.
-They are aimed at lawyers, but almost everything applies to data scientists too.
+They are aimed at lawyers, but almost everything applies to data scientists too.