trace/trace.3: Fix misformatting.

diff --git a/trace/trace.3 b/trace/trace.3
index d1f08d7..0a708bd 100644 (file)
--- a/trace/trace.3
+++ b/trace/trace.3
@@ -155,7 +155,7 @@ The
 macro simply expands to its argument.  It may be wrapped around small
 pieces of code which is only needed when compiling with tracing
 enabled.  (Larger blocks, of course, should use
-.RB ` #ifndef NTRACE '/` #endif '
+.RB ` "#ifndef NTRACE" '/` #endif '
 pairs for clarity's sake.)
 .PP
 For slightly larger code chunks which do some processing to generate