diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 0f944b3be9e93826557a5be384562625cf0b16b8..bb671b3467742a2cb2d476c94b0778e279fdd149 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -85,7 +85,7 @@ LINE SYNTAX
 -----------
 Line range is descripted by following syntax.
 
- "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]"
+ "FUNC[:RLN[+NUM|-RLN2]]|SRC:ALN[+NUM|-ALN2]"
 
 FUNC specifies the function name of showing lines. 'RLN' is the start line
 number from function entry line, and 'RLN2' is the end line number. As same as
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index cf2ffa5a3842e028ba391ff4348ac19ae541ff2d..b3ba25a910fa8096c203c3a9c1e8424051c56119 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -167,7 +167,7 @@ static const struct option options[] = {
 		    " with existing name"),
 #ifdef DWARF_SUPPORT
 	OPT_CALLBACK('L', "line", NULL,
-		     "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]",
+		     "FUNC[:RLN[+NUM|-RLN2]]|SRC:ALN[+NUM|-ALN2]",
 		     "Show source code lines.", opt_show_lines),
 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 		   "file", "vmlinux pathname"),