Fix typo and link in Nushell 0.104.0 blog post (nushell#1903)

Author: Kissaki

blog/2025-04-29-nushell_0_104_0.md

@@ -250,7 +250,7 @@ Also, with [#15486](https://github.com/nushell/nushell/pull/15486) from [@mztikk
 
 ### New flag `glob --follow-symlinks` [[toc](#table-of-contents)]
 
-[@sebasnallar](https://github.com/sebasnallar) added `--follow-symlinks` to ... folllow symlinks when globbing ([#15626](https://github.com/nushell/nushell/pull/15626))
+[@sebasnallar](https://github.com/sebasnallar) added `--follow-symlinks` to ... follow symlinks when globbing ([#15626](https://github.com/nushell/nushell/pull/15626))
 
 ### Substring match algorithm [[toc](#table-of-contents)]
 
@@ -268,7 +268,7 @@ Instead, users can now explicitly choose to opt-in to that functionality using t
 
 ### `str join` formatting for `datetime` values has changed [[toc](#table-of-contents)]
 
-When a `datetime` is passed to `str join`, the resulting format of the string has changed. With [#15629](https://github.com/nushell/nushell/pull/15629) from [@LoicRiegel](https://github, it will now format positive dates using RFC2822 and negative dates using RFC3339.
+When a `datetime` is passed to `str join`, the resulting format of the string has changed. With [#15629](https://github.com/nushell/nushell/pull/15629) from [@LoicRiegel](https://github.com/LoicRiegel), it will now format positive dates using RFC2822 and negative dates using RFC3339.
 
 This could be a breaking change if you depend on a particular format of the output of `str join`. Consider using `format date` before `str join`.