diff --git a/manimlib/mobject/svg/labelled_string.py b/manimlib/mobject/svg/labelled_string.py
index 5ecc9d7c..2e81221f 100644
--- a/manimlib/mobject/svg/labelled_string.py
+++ b/manimlib/mobject/svg/labelled_string.py
@@ -20,12 +20,16 @@ if TYPE_CHECKING:
 
     ManimColor = Union[str, Color]
     Span = tuple[int, int]
-    SingleSelector = Union[
+    Selector = Union[
         str,
         re.Pattern,
-        tuple[Union[int, None], Union[int, None]]
+        tuple[Union[int, None], Union[int, None]],
+        Iterable[
+            str,
+            re.Pattern,
+            tuple[Union[int, None], Union[int, None]]
+        ]
     ]
-    Selector = Union[SingleSelector, Iterable[SingleSelector]]
 
 
 class LabelledString(SVGMobject, ABC):
diff --git a/manimlib/mobject/svg/mtex_mobject.py b/manimlib/mobject/svg/mtex_mobject.py
index ce2f4cd1..17f96b20 100644
--- a/manimlib/mobject/svg/mtex_mobject.py
+++ b/manimlib/mobject/svg/mtex_mobject.py
@@ -18,12 +18,16 @@ if TYPE_CHECKING:
 
     ManimColor = Union[str, Color]
     Span = tuple[int, int]
-    SingleSelector = Union[
+    Selector = Union[
         str,
         re.Pattern,
-        tuple[Union[int, None], Union[int, None]]
+        tuple[Union[int, None], Union[int, None]],
+        Iterable[
+            str,
+            re.Pattern,
+            tuple[Union[int, None], Union[int, None]]
+        ]
     ]
-    Selector = Union[SingleSelector, Iterable[SingleSelector]]
 
 
 SCALE_FACTOR_PER_FONT_POINT = 0.001
diff --git a/manimlib/mobject/svg/text_mobject.py b/manimlib/mobject/svg/text_mobject.py
index 5b88e241..22978c95 100644
--- a/manimlib/mobject/svg/text_mobject.py
+++ b/manimlib/mobject/svg/text_mobject.py
@@ -33,12 +33,16 @@ if TYPE_CHECKING:
 
     ManimColor = Union[str, Color]
     Span = tuple[int, int]
-    SingleSelector = Union[
+    Selector = Union[
         str,
         re.Pattern,
-        tuple[Union[int, None], Union[int, None]]
+        tuple[Union[int, None], Union[int, None]],
+        Iterable[
+            str,
+            re.Pattern,
+            tuple[Union[int, None], Union[int, None]]
+        ]
     ]
-    Selector = Union[SingleSelector, Iterable[SingleSelector]]
 
 
 TEXT_MOB_SCALE_FACTOR = 0.0076