changing quotes to single quotes

When dealing with special characters the lesson advises to use quotes, however single quotes is the safer option. For example

```
touch \$HOME
ls "$HOME" # lists the contents of the home directory
ls '$HOME' # lists the '$HOME' file
```

episodes/03-create.md

@@ -146,7 +146,7 @@ There are special characters that can cause your command to not work as
 expected and can even result in data loss.
 
 If you need to refer to names of files or directories that have spaces
-or other special characters, you should surround the name in quotes (`""`).
+or other special characters, you should surround the name in single quotes (`''`).
 
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