docs: minor edits for clarification of text

docs/authoring/contents.qmd

@@ -43,10 +43,10 @@ The code above produces the following output:
 ## Why
 
 `{{{< contents >}}}` increases your freedom in defining the document the most comfortable way you can.
-It can simply because you want to write the code in the middle of a different explanation, but you want to result to appear elsewhere.
+It can simply be because you want to write the code in the middle of a different explanation, but you want the result to appear elsewhere.
 
-One particularly important reason is that Jupyter notebooks do not allow code cells to "nest" inside markdown, and many of Quarto's features
-are defined in terms of fenced divs, Markdown that looks like this:
+One particularly important reason is that Jupyter notebooks do not allow code cells to "nest" inside Markdown. 
+Many of Quarto's features are defined in terms of fenced divs, with Markdown that looks like this:
 
 ````markdown
 ::: {#div-id .class1 .class2 key1="value1"}