Minor fixes to spellchecker

docs/demos/examples/examples_index.md

@@ -10,7 +10,7 @@ tags:
 
 # Example Notebooks
 
-This section provides a series of examples to help you get started with Splink. You can find the underlying notebooks in the [demos folder](https://github.com/moj-analytical-services/splink/tree/master/docs/demos/examples) of the Splink repo.
+This section provides a series of examples to help you get started with Splink. You can find the underlying notebooks in the [demos folder](https://github.com/moj-analytical-services/splink/tree/master/docs/demos/examples) of the Splink repository.
 
 You can try these demos live in your web browser using the following link:
 

docs/dev_guides/changing_splink/contributing_to_docs.md

@@ -16,7 +16,7 @@ Once you've finished updating Splink documentation we ask that you run our spell
 
 ## Spellchecking docs
 
-When updating Splink documentation, we ask that you run our spellchecker before submitting a pull request. This is to help ensure quality and consistency across the documentation. Please note, the spellchecker _only works on markdown files_.
+When updating Splink documentation, we ask that you run our spellchecker before submitting a pull request. This is to help ensure quality and consistency across the documentation. Please note, the spellchecker _only works on markdown files_ and currently only works on systems which support `Homebrew` package manager. Instructions for other operating systems will be released later.
 
 To run the spellchecker on either a single markdown file or folder of markdown files, you can use the following script:
 

scripts/pyspelling/custom_dictionary.txt

@@ -43,6 +43,7 @@ HU
 Harpenden
 Harron
 Hepworth
+Homebrew
 JL
 Jaccard
 Jaro