Documentation - whitespace formatting fixes

- Includes small fix for #9969 missing space

docs/contributing/developing.md

@@ -50,7 +50,7 @@ Any Wagtail sites you start up in this virtualenv will now run against this deve
 pip install -e path/to/wagtail"[testing, docs]" -U
 ```
 
-Here, `path/to/wagtail`is the path to your local Wagtail copy.
+Here, `path/to/wagtail` is the path to your local Wagtail copy.
 
 (development_on_windows)=
 

docs/releases/3.0.md

@@ -57,7 +57,7 @@ Trying to upload an image that's a duplicate of one already in the image library
 
 ### Image renditions can now be prefetched
 
-When using a queryset to render a list of items with images, you can now make use of Django's built-in ``prefetch_related()`` queryset method to prefetch the renditions needed for rendering with a single extra query. For long lists of items, or where multiple renditions are used for each item, this can provide a significant boost to performance. This feature was developed by Andy Babic.
+When using a queryset to render a list of items with images, you can now make use of Django's built-in `prefetch_related()` queryset method to prefetch the renditions needed for rendering with a single extra query. For long lists of items, or where multiple renditions are used for each item, this can provide a significant boost to performance. This feature was developed by Andy Babic.
 
 ### Other features