Update clang/include/clang/Basic/AttrDocs.td

Co-authored-by: Boaz Brickner <[email protected]>

Author: usx95

clang/include/clang/Basic/AttrDocs.td

@@ -3922,7 +3922,7 @@ def LifetimeCaptureByDocs : Documentation {
   let Category = DocCatFunction;
   let Content = [{
     Similar to `lifetimebound`_, the ``lifetime_capture_by(X)`` attribute on a function
-parameter or implicit object parameter indicates that indicates that the capturing entity
+parameter or implicit object parameter indicates that the capturing entity
 ``X`` may refer to the object referred by that parameter.
 
 Below is a list of types of the parameters and what they're considered to refer to: