diff --git a/prisma/migrations/20240310194006_add_notes_in_expense/migration.sql b/prisma/migrations/20240310194006_add_notes_in_expense/migration.sql
new file mode 100644
index 00000000..2a12ce7e
--- /dev/null
+++ b/prisma/migrations/20240310194006_add_notes_in_expense/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Expense" ADD COLUMN     "notes" TEXT;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 394342de..f7389472 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -52,6 +52,7 @@ model Expense {
   splitMode       SplitMode         @default(EVENLY)
   createdAt       DateTime          @default(now())
   documents       ExpenseDocument[]
+  notes           String?
 }
 
 model ExpenseDocument {
diff --git a/src/components/expense-form.tsx b/src/components/expense-form.tsx
index 86267916..df5563da 100644
--- a/src/components/expense-form.tsx
+++ b/src/components/expense-form.tsx
@@ -50,6 +50,7 @@ import { useForm } from 'react-hook-form'
 import { match } from 'ts-pattern'
 import { DeletePopup } from './delete-popup'
 import { extractCategoryFromTitle } from './expense-form-actions'
+import { Textarea } from './ui/textarea'
 
 export type Props = {
   group: NonNullable<Awaited<ReturnType<typeof getGroup>>>
@@ -180,6 +181,7 @@ export function ExpenseForm({
           saveDefaultSplittingOptions: false,
           isReimbursement: expense.isReimbursement,
           documents: expense.documents,
+          notes: expense.notes ?? '',
         }
       : searchParams.get('reimbursement')
       ? {
@@ -202,6 +204,7 @@ export function ExpenseForm({
           splitMode: defaultSplittingOptions.splitMode,
           saveDefaultSplittingOptions: false,
           documents: [],
+          notes: '',
         }
       : {
           title: searchParams.get('title') ?? '',
@@ -228,6 +231,7 @@ export function ExpenseForm({
                 },
               ]
             : [],
+          notes: '',
         },
   })
   const [isCategoryLoading, setCategoryLoading] = useState(false)
@@ -400,6 +404,18 @@ export function ExpenseForm({
                 </FormItem>
               )}
             />
+            <FormField
+              control={form.control}
+              name="notes"
+              render={({ field }) => (
+                <FormItem className="sm:order-6">
+                  <FormLabel>Notes</FormLabel>
+                  <FormControl>
+                    <Textarea className="text-base" {...field} />
+                  </FormControl>
+                </FormItem>
+              )}
+            />
           </CardContent>
         </Card>
 
diff --git a/src/lib/api.ts b/src/lib/api.ts
index 6f8e3893..1d8043a3 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -72,6 +72,7 @@ export async function createExpense(
           })),
         },
       },
+      notes: expenseFormValues.notes,
     },
   })
 }
@@ -185,6 +186,7 @@ export async function updateExpense(
             id: doc.id,
           })),
       },
+      notes: expenseFormValues.notes,
     },
   })
 }
diff --git a/src/lib/schemas.ts b/src/lib/schemas.ts
index bd6db3be..fd624e1b 100644
--- a/src/lib/schemas.ts
+++ b/src/lib/schemas.ts
@@ -117,6 +117,7 @@ export const expenseFormSchema = z
         }),
       )
       .default([]),
+    notes: z.string().optional(),
   })
   .superRefine((expense, ctx) => {
     let sum = 0