* gdb/doc/gdb.texinfo (Requirements): Fix a typo.

Copyright-paperwork-exempt: yes
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 132b94c..e61cef3 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -38651,7 +38651,7 @@
 at @url{http://tukaani.org/xz/}.  If the LZMA library is available in
 the usual place, then the @file{configure} script will use it
 automatically.  If it is installed in an unusual path, you can use the
-@option{--with-lzma-prefix} option to specify its location.
+@option{--with-liblzma-prefix} option to specify its location.
 
 @item MPFR
 @anchor{MPFR}