diff --git a/packages/ra-core/src/auth/useLogin.ts b/packages/ra-core/src/auth/useLogin.ts
index 51bff88916b..6af8f2d8f0d 100644
--- a/packages/ra-core/src/auth/useLogin.ts
+++ b/packages/ra-core/src/auth/useLogin.ts
@@ -56,7 +56,7 @@ const useLogin = (): Login => {
 /**
  * Log a user in by calling the authProvider.login() method
  *
- * @param {object} params Login parameters to pass to the authProvider. May contain username/email, password, etc
+ * @param {Object} params Login parameters to pass to the authProvider. May contain username/email, password, etc
  * @param {string} pathName The path to redirect to after login. By default, redirects to the home page, or to the last page visited after deconnexion.
  *
  * @return {Promise} The authProvider response
diff --git a/packages/ra-core/src/controller/field/useReferenceManyFieldController.ts b/packages/ra-core/src/controller/field/useReferenceManyFieldController.ts
index e8b60424b20..6be6c6e8845 100644
--- a/packages/ra-core/src/controller/field/useReferenceManyFieldController.ts
+++ b/packages/ra-core/src/controller/field/useReferenceManyFieldController.ts
@@ -72,7 +72,7 @@ const defaultFilter = {};
  * @param {string} option.basePath basepath to current resource
  * @param {number} option.page the page number
  * @param {number} option.perPage the number of item per page
- * @param {object} option.sort the sort to apply to the referenced records
+ * @param {Object} option.sort the sort to apply to the referenced records
  *
  * @returns {ReferenceManyProps} The reference many props
  */
diff --git a/packages/ra-core/src/controller/useListParams.ts b/packages/ra-core/src/controller/useListParams.ts
index 4d11f70e564..d67aabbabd0 100644
--- a/packages/ra-core/src/controller/useListParams.ts
+++ b/packages/ra-core/src/controller/useListParams.ts
@@ -279,7 +279,7 @@ export const parseQueryFromLocation = ({ search }) => {
  * To check if the user has custom params, we must compare the params
  * to these initial values.
  *
- * @param {object} params
+ * @param {Object} params
  */
 export const hasCustomParams = (params: ListParams) => {
     return (
diff --git a/packages/ra-core/src/controller/usePaginationState.ts b/packages/ra-core/src/controller/usePaginationState.ts
index 5690c6c08fc..45a0b6212a1 100644
--- a/packages/ra-core/src/controller/usePaginationState.ts
+++ b/packages/ra-core/src/controller/usePaginationState.ts
@@ -6,9 +6,9 @@ import { Pagination } from '../types';
  * @type {Object}
  * @property {number} page: The page number.
  * @property {number} perPage: The number of item per page.
- * @property {function} setPage: Set the page number
- * @property {function} setPerPage: Set the per page number
- * @property {function} setPagination: Set page and perPage pagination numbers
+ * @property {Function} setPage: Set the page number
+ * @property {Function} setPerPage: Set the per page number
+ * @property {Function} setPagination: Set page and perPage pagination numbers
  */
 export interface PaginationProps {
     page: number;
diff --git a/packages/ra-core/src/controller/useSortState.ts b/packages/ra-core/src/controller/useSortState.ts
index e13ce87f320..a921ff06f77 100644
--- a/packages/ra-core/src/controller/useSortState.ts
+++ b/packages/ra-core/src/controller/useSortState.ts
@@ -75,7 +75,7 @@ export const defaultSort = { field: 'id', order: 'DESC' };
  * @typedef SortProps
  * @type {Object}
  * @property {Object} sort: the sort object.
- * @property {String} sort.field: the sort object.
+ * @property {string} sort.field: the sort object.
  * @property {'ASC' | 'DESC'} sort.order: the sort object.
  * @property {setSort} setSort
  * @property {setSortField} setSortField
diff --git a/packages/ra-core/src/dataProvider/useQueryWithStore.ts b/packages/ra-core/src/dataProvider/useQueryWithStore.ts
index cb662396daa..5e33134ee2a 100644
--- a/packages/ra-core/src/dataProvider/useQueryWithStore.ts
+++ b/packages/ra-core/src/dataProvider/useQueryWithStore.ts
@@ -70,8 +70,8 @@ const defaultTotalSelector = () => null;
  * @param {string} options.action Redux action type
  * @param {Function} options.onSuccess Side effect function to be executed upon success of failure, e.g. { onSuccess: response => refresh() } }
  * @param {Function} options.onFailure Side effect function to be executed upon failure, e.g. { onFailure: error => notify(error.message) } }
- * @param {function} dataSelector Redux selector to get the result. Required.
- * @param {function} totalSelector Redux selector to get the total (optional, only for LIST queries)
+ * @param {Function} dataSelector Redux selector to get the result. Required.
+ * @param {Function} totalSelector Redux selector to get the total (optional, only for LIST queries)
  *
  * @returns The current request state. Destructure as { data, total, error, loading, loaded }.
  *
diff --git a/packages/ra-core/src/form/FormWithRedirect.tsx b/packages/ra-core/src/form/FormWithRedirect.tsx
index 4e1f229d85a..0f15104bbce 100644
--- a/packages/ra-core/src/form/FormWithRedirect.tsx
+++ b/packages/ra-core/src/form/FormWithRedirect.tsx
@@ -22,10 +22,10 @@ import FormContext from './FormContext';
  *    />
  * );
  *
- * @typedef {object} Props the props you can use (other props are injected by Create or Edit)
- * @prop {object} initialValues
- * @prop {function} validate
- * @prop {function} save
+ * @typedef {Object} Props the props you can use (other props are injected by Create or Edit)
+ * @prop {Object} initialValues
+ * @prop {Function} validate
+ * @prop {Function} save
  * @prop {boolean} submitOnEnter
  * @prop {string} redirect
  *
diff --git a/packages/ra-core/src/i18n/TranslationUtils.ts b/packages/ra-core/src/i18n/TranslationUtils.ts
index 197c6afabff..b7c293ad562 100644
--- a/packages/ra-core/src/i18n/TranslationUtils.ts
+++ b/packages/ra-core/src/i18n/TranslationUtils.ts
@@ -26,7 +26,7 @@ interface AllNavigatorLanguage extends NavigatorLanguage {
  *         </Admin>
  *     );
  *
- * @param {String} defaultLocale Defaults to 'en'
+ * @param {string} defaultLocale Defaults to 'en'
  */
 export const resolveBrowserLocale = (defaultLocale = DEFAULT_LOCALE) => {
     // from http://blog.ksol.fr/user-locale-detection-browser-javascript/
diff --git a/packages/ra-core/src/inference/inferElementFromValues.tsx b/packages/ra-core/src/inference/inferElementFromValues.tsx
index bb0c32075be..4f0361251da 100644
--- a/packages/ra-core/src/inference/inferElementFromValues.tsx
+++ b/packages/ra-core/src/inference/inferElementFromValues.tsx
@@ -71,8 +71,8 @@ const hasType = (type, types) => typeof types[type] !== 'undefined';
  *     );
  *     // null
  *
- * @param {String} name Property name, e.g. 'date_of_birth'
- * @param {[mixed]} values an array of values from which to determine the type, e.g. [12, 34.4, 43]
+ * @param {string} name Property name, e.g. 'date_of_birth'
+ * @param {any[]} values an array of values from which to determine the type, e.g. [12, 34.4, 43]
  * @param {Object} types A set of components indexed by type. The string type is the only required one
  *
  * @return InferredElement
diff --git a/packages/ra-ui-materialui/src/form/SimpleForm.js b/packages/ra-ui-materialui/src/form/SimpleForm.js
index e668ab02325..5126e11e3c9 100644
--- a/packages/ra-ui-materialui/src/form/SimpleForm.js
+++ b/packages/ra-ui-materialui/src/form/SimpleForm.js
@@ -29,10 +29,10 @@ import CardContentInner from '../layout/CardContentInner';
  *     </Create>
  * );
  *
- * @typedef {object} Props the props you can use (other props are injected by Create or Edit)
+ * @typedef {Object} Props the props you can use (other props are injected by Create or Edit)
  * @prop {ReactElement[]} children Input elements
- * @prop {object} initialValues
- * @prop {function} validate
+ * @prop {Object} initialValues
+ * @prop {Function} validate
  * @prop {boolean} submitOnEnter
  * @prop {string} redirect
  * @prop {ReactElement} toolbar The element displayed at the bottom of the form, contzining the SaveButton
diff --git a/packages/ra-ui-materialui/src/form/TabbedForm.js b/packages/ra-ui-materialui/src/form/TabbedForm.js
index c08a2feb19c..bf6c24e69f5 100644
--- a/packages/ra-ui-materialui/src/form/TabbedForm.js
+++ b/packages/ra-ui-materialui/src/form/TabbedForm.js
@@ -64,10 +64,10 @@ import TabbedFormTabs, { getTabFullPath } from './TabbedFormTabs';
  *     </Edit>
  * );
  *
- * @typedef {object} Props the props you can use (other props are injected by Create or Edit)
+ * @typedef {Object} Props the props you can use (other props are injected by Create or Edit)
  * @prop {ReactElement[]} FormTab elements
- * @prop {object} initialValues
- * @prop {function} validate
+ * @prop {Object} initialValues
+ * @prop {Function} validate
  * @prop {boolean} submitOnEnter
  * @prop {string} redirect
  * @prop {ReactElement} toolbar The element displayed at the bottom of the form, contzining the SaveButton
diff --git a/packages/ra-ui-materialui/src/layout/LinearProgress.js b/packages/ra-ui-materialui/src/layout/LinearProgress.js
index 3ec1b2b492a..2822b0883e0 100644
--- a/packages/ra-ui-materialui/src/layout/LinearProgress.js
+++ b/packages/ra-ui-materialui/src/layout/LinearProgress.js
@@ -22,7 +22,7 @@ const useStyles = makeStyles(
  * @see ReferenceField
  * @see ReferenceInput
  *
- * @param {object} classes CSS class names
+ * @param {Object} classes CSS class names
  */
 const LinearProgress = props => {
     const { classes: classesOverride, className, ...rest } = props;