Update pull_request_template.md

Author: sindresorhus

.github/pull_request_template.md

@@ -4,10 +4,10 @@ If you're adding support for a new file type, please follow the below steps:
 - Add a fixture file named `fixture.<extension>` to the `fixture` directory.
 - Add the file extension to the `extensions` array in `supported.js`.
 - Add the file's MIME type to the `types` array in `supported.js`.
-- Add the file type detection logic to the `core.js` file
+- Add the file type detection logic to the `core.js` file.
 - Determine the appropriate detection confidence category:
-	- `detectConfident()`: Detections with a high degree of certainty in identifying the correct file type
-	- `detectImprecise()`: Detections with limited supporting data, resulting in a higher likelihood of false positives
+	- `detectConfident()`: Detections with a high degree of certainty in identifying the correct file type.
+	- `detectImprecise()`: Detections with limited supporting data, resulting in a higher likelihood of false positives.
 - Respect the sequence:
 	- Signature with shorter sample size (counted from offset 0 until the last required byte position) will be executed first.
 	- Only the initial determination for the file type counts for the sequence.