diff --git a/invariant/runtime/evaluation.py b/invariant/runtime/evaluation.py
index 83f28d6..f667228 100644
--- a/invariant/runtime/evaluation.py
+++ b/invariant/runtime/evaluation.py
@@ -121,7 +121,7 @@ def eval(expr_or_list, variable_store, globals, evaluation_context=None, return_
             return_variable_domains: If True, also returns any new variable domains derived during evaluation.
             partial: If True, returns Unknown if any part of the expression is unknown. If False, raises an exception when
                      an unknown variable is encountered.
-            assume_bool: Specifies whether it is safe to assume the the list of expressions is a boolean expression. If True,
+            assume_bool: Specifies whether it is safe to assume the list of expressions is a boolean expression. If True,
                          the evaluation will be short-circuited in order of the provided expressions.
 
         Returns:
@@ -640,4 +640,4 @@ def visit_ObjectLiteral(self, node: ObjectLiteral):
         return {self.visit(entry.key): self.visit(entry.value) for entry in node.entries}
     
     def visit_ArrayLiteral(self, node: ArrayLiteral):
-        return [self.visit(entry) for entry in node.elements]
\ No newline at end of file
+        return [self.visit(entry) for entry in node.elements]