X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/342b8b6e2156e923797745af2da2596e3086ccd5..2e047461253970124582c3b9dca7322fd675e921:/doc/bison.1

diff --git a/doc/bison.1 b/doc/bison.1
index 927a128f..93eaf201 100644
--- a/doc/bison.1
+++ b/doc/bison.1
@@ -262,9 +262,9 @@ and so on.
 .ns
 .TP
 .B \-\-debug
-Output a definition of the macro
+In the parser file, define the macro
 .B YYDEBUG
-into the parser file,
+to 1 if it is not already defined,
 so that the debugging facilities are compiled.
 .TP
 .B \-v