diff --git a/src/spectator/dsl/groups.cr b/src/spectator/dsl/groups.cr
index 15deaac..4a4c0f7 100644
--- a/src/spectator/dsl/groups.cr
+++ b/src/spectator/dsl/groups.cr
@@ -38,7 +38,7 @@ module Spectator::DSL
               what.is_a?(Path) ||
               what.is_a?(TypeNode) ||
               what.is_a?(Union)) &&
-              (described_type = what.resolve?).is_a?(TypeNode) %}
+              what.resolve?.is_a?(TypeNode) %}
         {{what.symbolize}}
       {% elsif what.is_a?(StringLiteral) ||
                  what.is_a?(StringInterpolation) ||
diff --git a/src/spectator/example_node.cr b/src/spectator/example_node.cr
index 42f970a..4444ddc 100644
--- a/src/spectator/example_node.cr
+++ b/src/spectator/example_node.cr
@@ -54,7 +54,8 @@ module Spectator
 
         # Add padding between the node names
         # only if the names don't appear to be symbolic.
-        io << ' ' unless !group.name? || # Skip blank group names (like the root group).
+        # Skip blank group names (like the root group).
+        io << ' ' unless !group.name? || # ameba:disable Style/NegatedConditionsInUnless
                          (group.name?.is_a?(Symbol) && name.is_a?(String) &&
                          (name.starts_with?('#') || name.starts_with?('.')))
       end