diff --git a/tutorials/docs-16-using-turing-external-samplers/external-samplers.jmd b/tutorials/docs-16-using-turing-external-samplers/external-samplers.jmd
index 763cc2340..858798adf 100644
--- a/tutorials/docs-16-using-turing-external-samplers/external-samplers.jmd
+++ b/tutorials/docs-16-using-turing-external-samplers/external-samplers.jmd
@@ -157,9 +157,9 @@ Note that if the external sampler produces transitions that Turing cannot parse
 
 For practical examples of how to adapt a sampling library to the `AbstractMCMC` interface, the readers can consult the following libraries:
 
-  -  <a href="https://github.com/TuringLang/AdvancedMH.jl/blob/458a602ac32a8514a117d4c671396a9ba8acbdab/src/mh-core.jl#L73-L115">AdvancedMH</a>
-  -  <a href="https://github.com/TuringLang/AdvancedHMC.jl/blob/762e55f894d142495a41a6eba0eed9201da0a600/src/abstractmcmc.jl#L102-L170">AdvancedHMC</a>
-  -  <a href="https://github.com/JaimeRZP/MicroCanonicalHMC.jl/blob/master/src/abstractmcmc.jl">MicroCanonicalHMC</a>
+  - <a href="https://github.com/TuringLang/AdvancedMH.jl/blob/458a602ac32a8514a117d4c671396a9ba8acbdab/src/mh-core.jl#L73-L115">AdvancedMH</a>
+  - <a href="https://github.com/TuringLang/AdvancedHMC.jl/blob/762e55f894d142495a41a6eba0eed9201da0a600/src/abstractmcmc.jl#L102-L170">AdvancedHMC</a>
+  - <a href="https://github.com/JaimeRZP/MicroCanonicalHMC.jl/blob/master/src/abstractmcmc.jl">MicroCanonicalHMC</a>
 
 # Refences