Minor fixes to online documentation

Author: mpilgrem

doc/configure/yaml/non-project.md

@@ -1525,7 +1525,7 @@ Default: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/
 (as set in the `pantry` library)
 
 Command line equivalent (takes precedence):
-[`--snapshot-location-base`](../global_flags.md#--snapshot-location-base-command-option)
+[`--snapshot-location-base`](../global_flags.md#-snapshot-location-base-command-option)
 option
 
 Sets the base location of the LTS Haskell or Stackage Nightly snapshots.

mkdocs.yml

@@ -177,5 +177,4 @@ plugins:
       'custom_snapshot.md': 'topics/custom_snapshot.md'
       'lock_files.md': 'topics/lock_files.md'
       'scripts.md': 'topics/scripts.md'
-- social:
-    cards_layout: default
+- social