fix docstrings

Signed-off-by: Alvydas Vitkauskas <[email protected]>

stdlib/src/collections/deque.mojo

@@ -636,17 +636,17 @@ struct Deque[ElementType: CollectionElement](
         """Returns the index of the first occurrence of a `value` in a deque
         restricted by the range given the `start` and `stop` bounds.
 
+        Parameters:
+            EqualityElementType: The type of the elements in the deque.
+                Must implement the `EqualityComparableCollectionElement` trait.
+
         Args:
             value: The value to search for.
             start: The starting index of the search, treated as a slice index
                 (defaults to 0).
             stop: The ending index of the search, treated as a slice index
                 (defaults to None, which means the end of the deque).
 
-        Parameters:
-            EqualityElementType: The type of the elements in the deque.
-                Must implement the `EqualityComparableCollectionElement` trait.
-
         Returns:
             The index of the first occurrence of the value in the deque.
 
@@ -727,6 +727,10 @@ struct Deque[ElementType: CollectionElement](
     ) raises:
         """Removes the first occurrence of the `value`.
 
+        Parameters:
+            EqualityElementType: The type of the elements in the deque.
+                Must implement the `EqualityComparableCollectionElement` trait.
+
         Args:
             value: The value to remove.