docs: highlight npx in bash blocks and polish English copy

Use Prism insertBefore for CLI commands like npx, tighten tutorial and reference wording, and keep YAML titles free of backticks so sidebar and page headings stay correct.

Co-authored-by: Cursor <[email protected]>

docs/source/tutorials/whitespace-control.md

@@ -13,14 +13,14 @@ By default, all tags and output markups lines will generate a NL (`\n`), and whi
 {{ author }}
 ```
 
-Outputs (note the blank link):
+Outputs (note the blank line):
 
 ```
 
 harttle
 ```
 
-We can include hyphens in your tag syntax (`{% raw %}{{-{% endraw %}`, `-}}`, `{% raw %}{%-{% endraw %}`, `-%}`) to strip whitespace from left or right. For example:
+You can include hyphens in tag syntax (`{% raw %}{{-{% endraw %}`, `-}}`, `{% raw %}{%-{% endraw %}`, `-%}`) to strip whitespace from the left or right. For example:
 
 ```liquid
 {% assign author = "harttle" -%}