Remove a duplicate word in the Makefile (#132301)

diff --git a/Makefile.pre.in b/Makefile.pre.in
index e10c78d640347224034946d3243c81329a5b2848..d02f307e80bfa459a3e6ba8d2d0260329b41b82b 100644 (file)
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1938,7 +1938,7 @@ regen-pegen:
 
 .PHONY: regen-ast
 regen-ast:
-       # Regenerate 3 files using using Parser/asdl_c.py:
+       # Regenerate 3 files using Parser/asdl_c.py:
        # - Include/internal/pycore_ast.h
        # - Include/internal/pycore_ast_state.h
        # - Python/Python-ast.c