doc/requirements.txt: update 'mrkd' dependency

doc/index.rst

@@ -31,6 +31,8 @@ c-lightning Documentation
    lightningd-config <lightningd-config.5.md>
    lightningd <lightningd.8.md>
    lightningd-config <lightningd-config.5.md>
+   lightningd <lightningd.8.md>
+   lightningd-config <lightningd-config.5.md>
    lightning-autocleaninvoice <lightning-autocleaninvoice.7.md>
    lightning-check <lightning-check.7.md>
    lightning-cli <lightning-cli.1.md>

doc/requirements.txt

@@ -5,4 +5,4 @@ Sphinx==1.8.4
 commonmark==0.8.1
 commonmark==0.8.1
 recommonmark==0.5.0
-git+git://github.com/darosior/mrkd@79a7365dc6c81a8458ff33ad69ef469edacc6daa
+git+git://github.com/darosior/mrkd@0.1.5-0