Fix a couple code fence issues

content/journal/migrating-from-github-to-sourcehut/index.md

@@ -44,7 +44,7 @@ Adding a new remote is as simple as
 git remote rename origin github
 git remote add origin git@git.sr.ht:~dce/davideisinger.com
 git push origin main
-````
+```
 
 But switching from GitHub Actions to SourceHut Builds took some doing. A few things to note:
 

content/notes/golang/index.md

@@ -103,7 +103,7 @@ I find [Go][1] really compelling, even though it's not super applicable to my jo
   >
   > ```
   > ParameterDecl  = [ IdentifierList ] [ "..." ] Type .
-  > ````
+  > ```
   >
   > As you can see, the `IdentifierList` (the identifier name or names) is in square brackets, which means it's _optional_. Only the `Type` is required.
   >