`source` buttons in docs all point to same link

The `source` button in the bottom right corner of a method's documentation always seems to point to some variation of [this link](https://github.com/JuliaLang/julia/tree/2d5741174ce3e6a394010d2e470e4269ca54607f/base) which is just the `JuliaLang/julia/base` module. I haven't tested all methods but it happens consistently in a few of them. I understand this is not expected behaviour.