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git-svn-id: https://svn.r-project.org/R/trunk@85818 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

doc/manual/R-exts.texi

@@ -5135,7 +5135,7 @@ although @option{-pthread} is pretty close to portable.  (Option
 only cancel built-in defines (not portable) and those defined earlier on
 the command line (@R{} does not use any).)
 
-Thw GBU option @option{-pipe} used to be widely accepted by
+The GNU option @option{-pipe} used to be widely accepted by
 C/C++/Fortran compilers, but has been removed in
 @w{@command{flang-new} 18}.  In any case, it should not be used in
 distributed code as it may lead to excessive memory use.