diff --git a/magnum/api/controllers/v1/bay.py b/magnum/api/controllers/v1/bay.py
index 8bec9fb1f6..7a40e36454 100644
--- a/magnum/api/controllers/v1/bay.py
+++ b/magnum/api/controllers/v1/bay.py
@@ -251,7 +251,7 @@ class BaysController(rest.RestController):
         :param sort_key: column to sort results by. Default: id.
         :param sort_dir: direction to sort. "asc" or "desc". Default: asc.
         """
-        # NOTE(lucasagomes): /detail should only work agaist collections
+        # NOTE(lucasagomes): /detail should only work against collections
         parent = pecan.request.path.split('/')[:-1][-1]
         if parent != "bays":
             raise exception.HTTPNotFound
diff --git a/magnum/api/controllers/v1/baymodel.py b/magnum/api/controllers/v1/baymodel.py
index d13c616c28..72f8ac516a 100644
--- a/magnum/api/controllers/v1/baymodel.py
+++ b/magnum/api/controllers/v1/baymodel.py
@@ -274,7 +274,7 @@ class BayModelsController(rest.RestController):
         :param sort_key: column to sort results by. Default: id.
         :param sort_dir: direction to sort. "asc" or "desc". Default: asc.
         """
-        # NOTE(lucasagomes): /detail should only work agaist collections
+        # NOTE(lucasagomes): /detail should only work against collections
         parent = pecan.request.path.split('/')[:-1][-1]
         if parent != "baymodels":
             raise exception.HTTPNotFound
diff --git a/magnum/api/controllers/v1/node.py b/magnum/api/controllers/v1/node.py
index 03aeb2e00c..4c074f63dc 100644
--- a/magnum/api/controllers/v1/node.py
+++ b/magnum/api/controllers/v1/node.py
@@ -174,7 +174,7 @@ class NodesController(rest.RestController):
         :param sort_key: column to sort results by. Default: id.
         :param sort_dir: direction to sort. "asc" or "desc". Default: asc.
         """
-        # NOTE(lucasagomes): /detail should only work agaist collections
+        # NOTE(lucasagomes): /detail should only work against collections
         parent = pecan.request.path.split('/')[:-1][-1]
         if parent != "nodes":
             raise exception.HTTPNotFound