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-rw-r--r--gas/doc/as.texinfo3
1 files changed, 2 insertions, 1 deletions
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 88c447c..76cd8ed 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -338,7 +338,8 @@ may help debugging assembler code, if the debugger can handle it.
@item --gdwarf2
Generate DWARF2 debugging information for each assembler line. This
-may help debugging assembler code, if the debugger can handle it.
+may help debugging assembler code, if the debugger can handle it. Note - this
+option is only supported by some targets, not all of them.
@item --help
Print a summary of the command line options and exit.