diff --git a/grammars/tree-sitter-python.cson b/grammars/tree-sitter-python.cson
index 4490d74..4e71f26 100644
--- a/grammars/tree-sitter-python.cson
+++ b/grammars/tree-sitter-python.cson
@@ -98,6 +98,7 @@ scopes:
   'false': 'constant.language'
   'integer': 'constant.numeric'
   'float': 'constant.numeric'
+  '"..."': 'constant.ellipsis.other'
 
   'type > identifier': 'support.storage.type'
 
@@ -184,7 +185,8 @@ scopes:
   '"or"': 'keyword.operator.logical.python'
   '"not"': 'keyword.operator.logical.python'
   '"is"': 'keyword.operator.logical.python'
-  '"->"': 'keyword.control.return'
+  '"->"': 'keyword.operator.function-annotation'
+  '":"': 'punctuation.separator'
 
   '"["': 'punctuation.definition.begin.bracket.square'
   '"]"': 'punctuation.definition.end.bracket.square'
@@ -193,3 +195,4 @@ scopes:
   '"}"': 'punctuation.section.block.end.bracket.curly'
   '"("': 'punctuation.section.parens.begin.bracket.round'
   '")"': 'punctuation.section.parens.end.bracket.round'
+