update docs and fix typos

frontend/src/views/SecretMainPage/components/ActionBar/CreateDynamicSecretForm/SqlDatabaseInputForm.tsx

@@ -217,7 +217,11 @@ export const SqlDatabaseInputForm = ({
                     isError={Boolean(error?.message)}
                     errorText={error?.message}
                   >
-                    <Input {...field} type="number" />
+                    <Input 
+                      {...field}
+                      type="number"
+                      onChange={(el) => field.onChange(parseInt(el.target.value, 10))}
+                    />
                   </FormControl>
                 )}
               />

frontend/src/views/SecretMainPage/components/DynamicSecretListView/CreateDynamicSecretLease.tsx

@@ -124,7 +124,7 @@ export const CreateDynamicSecretLease = ({
       console.log(error);
       createNotification({
         type: "error",
-        text: "Failed to deleted dynamic secret"
+        text: "Failed to create dynamic secret"
       });
     }
   };