docs: linter fix and update glossary

Author: EscapedGibbon

docs/features/comparison/comparison.md

@@ -9,10 +9,10 @@ The specific reasons for comparing images depend on the application and the desi
 
 ### Methods
 
-| Can be applied on                                                               | Images   | Masks    |
-| ------------------------------------------------------------------------------- | -------- | -------- |
-| [Addition(`add`)](./addition.md 'internal link on add')                         | ✅  | ❌ |
-| [Subtraction(`subtract`)](./subtraction.md 'internal link on subtract')         | ✅  | ✅  |
-| [Hypotenuse(`hypotenuse`)](./hypotenuse.md 'internal link on hypotenuse')       | ✅  | ❌ |
+| Can be applied on                                                             | Images   | Masks    |
+| ----------------------------------------------------------------------------- | -------- | -------- |
+| [Addition(`add`)](./addition.md 'internal link on add')                       | ✅  | ❌ |
+| [Subtraction(`subtract`)](./subtraction.md 'internal link on subtract')       | ✅  | ✅  |
+| [Hypotenuse(`hypotenuse`)](./hypotenuse.md 'internal link on hypotenuse')     | ✅  | ❌ |
 | [Logical conjunction(`and`)](./logical-conjunction.md 'internal link on and') | ❌ | ✅  |
 | [Logical disjunction(`or`)](./logical-disjunction.md 'internal link on or')   | ❌ | ✅  |