diff --git a/superset/charts/api.py b/superset/charts/api.py
index 6b45900ed..a4a301b71 100644
--- a/superset/charts/api.py
+++ b/superset/charts/api.py
@@ -837,7 +837,12 @@ class ChartRestApi(BaseSupersetModelRestApi):
                       type: string
                       format: binary
                     passwords:
-                      description: JSON map of passwords for each file
+                      description: >-
+                        JSON map of passwords for each featured database in the
+                        ZIP file. If the ZIP includes a database config in the path
+                        `databases/MyDatabase.yaml`, the password should be provided
+                        in the following format:
+                        `{"databases/MyDatabase.yaml": "my_password"}`.
                       type: string
                     overwrite:
                       description: overwrite existing databases?
diff --git a/superset/dashboards/api.py b/superset/dashboards/api.py
index ea05ce9ca..d5c04809b 100644
--- a/superset/dashboards/api.py
+++ b/superset/dashboards/api.py
@@ -944,7 +944,12 @@ class DashboardRestApi(BaseSupersetModelRestApi):
                       type: string
                       format: binary
                     passwords:
-                      description: JSON map of passwords for each file
+                      description: >-
+                        JSON map of passwords for each featured database in the
+                        ZIP file. If the ZIP includes a database config in the path
+                        `databases/MyDatabase.yaml`, the password should be provided
+                        in the following format:
+                        `{"databases/MyDatabase.yaml": "my_password"}`.
                       type: string
                     overwrite:
                       description: overwrite existing databases?
diff --git a/superset/databases/api.py b/superset/databases/api.py
index 79c4ff746..1b8b408c1 100644
--- a/superset/databases/api.py
+++ b/superset/databases/api.py
@@ -791,7 +791,12 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
                       type: string
                       format: binary
                     passwords:
-                      description: JSON map of passwords for each file
+                      description: >-
+                        JSON map of passwords for each featured database in the
+                        ZIP file. If the ZIP includes a database config in the path
+                        `databases/MyDatabase.yaml`, the password should be provided
+                        in the following format:
+                        `{"databases/MyDatabase.yaml": "my_password"}`.
                       type: string
                     overwrite:
                       description: overwrite existing databases?
diff --git a/superset/datasets/api.py b/superset/datasets/api.py
index ce8ce55cc..b94b9ca12 100644
--- a/superset/datasets/api.py
+++ b/superset/datasets/api.py
@@ -697,7 +697,12 @@ class DatasetRestApi(BaseSupersetModelRestApi):
                       type: string
                       format: binary
                     passwords:
-                      description: JSON map of passwords for each file
+                      description: >-
+                        JSON map of passwords for each featured database in the
+                        ZIP file. If the ZIP includes a database config in the path
+                        `databases/MyDatabase.yaml`, the password should be provided
+                        in the following format:
+                        `{"databases/MyDatabase.yaml": "my_password"}`.
                       type: string
                     overwrite:
                       description: overwrite existing datasets?
diff --git a/superset/queries/saved_queries/api.py b/superset/queries/saved_queries/api.py
index a4d74cc5c..04df2345c 100644
--- a/superset/queries/saved_queries/api.py
+++ b/superset/queries/saved_queries/api.py
@@ -293,7 +293,12 @@ class SavedQueryRestApi(BaseSupersetModelRestApi):
                       type: string
                       format: binary
                     passwords:
-                      description: JSON map of passwords for each file
+                      description: >-
+                        JSON map of passwords for each featured database in the
+                        ZIP file. If the ZIP includes a database config in the path
+                        `databases/MyDatabase.yaml`, the password should be provided
+                        in the following format:
+                        `{"databases/MyDatabase.yaml": "my_password"}`.
                       type: string
                     overwrite:
                       description: overwrite existing saved queries?