diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4850c7379bf..d10796cabd6 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3217,16 +3217,14 @@ exhaustion is signalled by throwing @code{std::bad_alloc}.  See also
 @samp{new (nothrow)}.
 
 @opindex fconcepts
-@opindex fconcepts-ts
 @item -fconcepts
-@itemx -fconcepts-ts
 Enable support for the C++ Concepts feature for constraining template
 arguments.  With @option{-std=c++20} and above, Concepts are part of
 the language standard, so @option{-fconcepts} defaults to on.
 
 Some constructs that were allowed by the earlier C++ Extensions for
 Concepts Technical Specification, ISO 19217 (2015), but didn't make it
-into the standard, can additionally be enabled by
+into the standard, could additionally be enabled by
 @option{-fconcepts-ts}.  The option @option{-fconcepts-ts} was deprecated
 in GCC 14 and removed in GCC 15; users are expected to convert their code
 to C++20 concepts.