diff --git a/SC1018.md b/SC1018.md
index b908900..def7579 100644
--- a/SC1018.md
+++ b/SC1018.md
@@ -1,7 +1,13 @@
 # This is a unicode non-breaking space. Delete it and retype as space.
 
-You copy-pasted some code, probably from a blog or web site, which for formatting reasons contained unicode no-break spaces or unicode zero-width spaces instead of regular spaces or in words.
+You copy-pasted some code, probably from a blog or web site, which for formatting reasons contained Unicode no-break spaces or Unicode zero-width spaces instead of regular spaces or in words.
 
 To humans, a zero-width space is invisible and a non-breaking space is indistinguishable from a regular space, but the shell does not agree.
 
-If you have just a few, delete the indiciated space/word and retype it. If you have tons, do a search&replace in your editor (copy-paste an offending space into the search field, and type a regular space into the replace field), or use `sed -e $'s/\xC2\xA0/ /g' -e $'s/\xE2\x80\x8b//g' -i yourfile` to remove them.
+If you have just a few, delete the indicated space/word and retype it. If you have tons, do a search-and-replace in your editor (copy-paste an offending space into the search field, and type a regular space into the replace field), or use the following command to remove them:
+
+```sh
+sed -e $'s/\xC2\xA0/ /g' -e $'s/\xE2\x80\x8b//g' -i yourfile
+```
+
+On macOS, a non-breaking space can be inserted into most programs by holding <kbd>⌥ Option</kbd>+<kbd>Space</kbd>.