Update README.md

README.md

@@ -55,8 +55,8 @@ Thematic and top-level ontology modules are stored in separate repositories of t
 | **Tunes**                | tunes:     | A specialisation of Music Meta for folk music.                                                 | https://w3id.org/polifonia/ontology/tunes/                | https://github.com/polifonia-project/tunes-ontology                |
 | **CoMeta**               | com:       | An extension of Music Meta to represent music corpora.                                         | https://w3id.org/polifonia/ontology/cometa/               | https://github.com/polifonia-project/cometa-ontology               |
 | **Music Projection**     | mp:        | Achieving interoperability of music notation systems.                                          | https://w3id.org/polifonia/ontology/music-projection/     | https://github.com/polifonia-project/music-projection-ontology     |
-| **Organs**               | organ:     | A rich descriptive model of organs and building methods.                                       | https://w3id.org/polifonia/ontology/organ/                | https://github.com/polifonia-project/organs-ontology               |
-| **Bells**                | bell:      | Describing bells, bell towers and bell ringers.                                                | https://w3id.org/polifonia/ontology/bell/                 | https://github.com/polifonia-project/bell-ontology                 |
+| **Organs**               | organ:     | A rich descriptive model of organs and building methods.                                       | https://w3id.org/polifonia/ontology/organs/                | https://github.com/polifonia-project/organs-ontology               |
+| **Bells**                | bell:      | Describing bells, bell towers and bell ringers.                                                | https://w3id.org/polifonia/ontology/bells/                 | https://github.com/polifonia-project/bells-ontology                 |
 | **Music Algorithm**     | mx:        | Computational methods for music and their parametrisation.                                     | https://w3id.org/polifonia/ontology/music-algorithm/      | https://github.com/polifonia-project/music-algorithm-ontology      |
 | **Music Analysis**      | ma:        | Music analysis through reasoning using modal-tonal theories.                                   | https://w3id.org/polifonia/ontology/music-analyis/        | https://github.com/polifonia-project/music-analysis-ontology       |
 | **Music Annotation**    | ann:       | A wrapper of ontologies for music annotations (audio, symbolic).                               | https://w3id.org/polifonia/ontology/music-annotation/     | https://github.com/polifonia-project/music-annotation-ontology     |