diff --git a/src/components/Admin/resources/competition/event/EventCreate.tsx b/src/components/Admin/resources/competition/event/EventCreate.tsx
index 8d4e2213..cddb3cfa 100644
--- a/src/components/Admin/resources/competition/event/EventCreate.tsx
+++ b/src/components/Admin/resources/competition/event/EventCreate.tsx
@@ -19,7 +19,7 @@ export const EventCreate: FC = () => {
       }}
     >
       <SimpleForm>
-        <NumberInput source="year" fullWidth validate={required()} />
+        <NumberInput source="year" helperText="ročník súťaže, napr. 48" fullWidth validate={required()} />
         <TextInput source="school_year" helperText="napr. 2023/2024" fullWidth validate={required()} />
         <DateTimeInput source="start" fullWidth validate={required()} />
         <DateTimeInput source="end" fullWidth validate={required()} />
diff --git a/src/components/Admin/resources/competition/event/EventEdit.tsx b/src/components/Admin/resources/competition/event/EventEdit.tsx
index d81697ed..ae25bde3 100644
--- a/src/components/Admin/resources/competition/event/EventEdit.tsx
+++ b/src/components/Admin/resources/competition/event/EventEdit.tsx
@@ -21,7 +21,7 @@ export const EventEdit: FC = () => {
       }}
     >
       <SimpleForm>
-        <NumberInput source="year" fullWidth validate={required()} />
+        <NumberInput source="year" helperText="ročník súťaže, napr. 48" fullWidth validate={required()} />
         <TextInput source="school_year" helperText="napr. 2023/2024" fullWidth validate={required()} />
         <DateTimeInput source="start" fullWidth validate={required()} />
         <DateTimeInput source="end" fullWidth validate={required()} />
diff --git a/src/components/Admin/resources/competition/semester/SemesterCreate.tsx b/src/components/Admin/resources/competition/semester/SemesterCreate.tsx
index 6ba5217e..6e087969 100644
--- a/src/components/Admin/resources/competition/semester/SemesterCreate.tsx
+++ b/src/components/Admin/resources/competition/semester/SemesterCreate.tsx
@@ -19,9 +19,9 @@ export const SemesterCreate: FC = () => (
       <ReferenceInput source="competition" reference="competition/competition">
         <SelectInput fullWidth validate={required()} />
       </ReferenceInput>
-      <NumberInput source="year" fullWidth validate={required()} />
+      <NumberInput source="year" helperText="ročník súťaže, napr. 48" fullWidth validate={required()} />
       <NumberInput source="season_code" fullWidth validate={required()} />
-      <TextInput source="school_year" fullWidth />
+      <TextInput source="school_year" helperText="napr. 2023/2024" fullWidth />
       <DateTimeInput source="start" fullWidth validate={required()} />
       <DateTimeInput source="end" fullWidth validate={required()} />
       <TextInput source="additional_name" fullWidth />
diff --git a/src/components/Admin/resources/competition/semester/SemesterEdit.tsx b/src/components/Admin/resources/competition/semester/SemesterEdit.tsx
index 4e0fc6b9..943d0eb0 100644
--- a/src/components/Admin/resources/competition/semester/SemesterEdit.tsx
+++ b/src/components/Admin/resources/competition/semester/SemesterEdit.tsx
@@ -29,9 +29,9 @@ export const SemesterEdit: FC = () => (
         <ReferenceInput source="competition" reference="competition/competition">
           <SelectInput fullWidth validate={required()} />
         </ReferenceInput>
-        <NumberInput source="year" fullWidth />
+        <NumberInput source="year" helperText="ročník súťaže, napr. 48" fullWidth />
         <NumberInput source="season_code" fullWidth />
-        <TextInput source="school_year" fullWidth />
+        <TextInput source="school_year" helperText="napr. 2023/2024" fullWidth />
         <DateTimeInput source="start" fullWidth />
         <DateTimeInput source="end" fullWidth />
         <TextInput source="additional_name" fullWidth />