diff --git a/source/specifications/dependency-groups.rst b/source/specifications/dependency-groups.rst
index a35afb475..64721d636 100644
--- a/source/specifications/dependency-groups.rst
+++ b/source/specifications/dependency-groups.rst
@@ -232,7 +232,7 @@ The output is therefore valid ``requirements.txt`` data.
 
     def resolve(dependency_groups: dict, group: str) -> list[str]:
         if not isinstance(dependency_groups, dict):
-            raise TypeError("Dependency Groups table is not a dict")
+            raise TypeError("Dependency groups table is not a dict")
         if not isinstance(group, str):
             raise TypeError("Dependency group name is not a str")
         return _resolve_dependency_group(dependency_groups, group)
@@ -244,7 +244,7 @@ The output is therefore valid ``requirements.txt`` data.
 
         dependency_groups_raw = pyproject["dependency-groups"]
         dependency_groups = _normalize_group_names(dependency_groups_raw)
-        print("\n".join(resolve(pyproject["dependency-groups"], sys.argv[1])))
+        print("\n".join(resolve(dependency_groups_raw, sys.argv[1])))
 
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