diff --git a/README.md b/README.md
index 046f9a58..e1c563bd 100644
--- a/README.md
+++ b/README.md
@@ -45,8 +45,8 @@ This lesson teaches:
 |       | 30   | [3\.1 Diffusion Tensor Imaging (DTI)][episode04]        | What is diffusion tensor imaging?<br />What metrics can be derived from DTI?                                            | 
 |       | 30   | [3\.2 Constrained Spherical Deconvolution (CSD)][episode05]        | What is Constrained Spherical Deconvolution (CSD)?<br />What does CSD offer compared to DTI?                           | 
 | **Tractography**      | 30   | [4 Tractography][episode06]        | What information can dMRI provide at the long range level?                   | 
-|       | 30   | [4\.1 Local tractography][episode07]        | FIXME                                                                        | 
-|       | 30   | [4\.1.1 Deterministic tractography][episode08]        | FIXME                                                                        | 
+|       | 30   | [4\.1 Local tractography][episode07]        | What input data does a local tractography method require?<br />Which steps does a local tractography method follow? |
+|       | 30   | [4\.1.1 Deterministic tractography][episode08]        | What computations does a deterministic tractography require? <br /> How can we visualize the streamlines generated by a tractography method? |
 |       | 30   | [4\.1.2 Probabilistic tractography][episode09]        | Why do we need tractography algorithms beyond the deterministic ones?<br />How is probabilistic tractography different from deterministic tractography?        | 
 
 ## Contributing
@@ -94,15 +94,15 @@ To cite this lesson, please consult with [CITATION](CITATION)
 [slack_channel_status]: https://img.shields.io/badge/Slack_Channel-neuroimaging-E01563.svg
 [binder_url]: https://mybinder.org/v2/gh/carpentries-incubator/SDC-BIDS-dMRI/main?urlpath=lab/tree/code
 [binder_svg]: https://mybinder.org/badge_logo.svg
-[episode01]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/introduction/index.html
-[episode02]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/preprocessing/index.html
-[episode03]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/local_orientation_reconstruction/index.html
-[episode04]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/diffusion_tensor_imaging/index.html
-[episode05]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/constrained_spherical_deconvolution/index.html
-[episode06]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/tractography/index.html
-[episode07]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/local_tractography/index.html
-[episode08]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/deterministic_tractography/index.html
-[episode09]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/probabilistic_tractography/index.html
+[episode01]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/introduction.html
+[episode02]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/preprocessing.html
+[episode03]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/local_orientation_reconstruction.html
+[episode04]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/diffusion_tensor_imaging.html
+[episode05]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/constrained_spherical_deconvolution.html
+[episode06]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/tractography.html
+[episode07]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/local_tractography.html
+[episode08]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/deterministic_tractography.html
+[episode09]: https://carpentries-incubator.github.io/SDC-BIDS-dMRI/probabilistic_tractography.html
 [lesson-example]: https://carpentries.github.io/lesson-example
 [link_issues]: https://github.com/conp-pcno-training/SDC-BIDS-dMRI/issues
 [jason_kai]: https://github.com/kaitj