perf docs: Fix a typo in 'perf probe' man page: l20th -> 120th

Fix a minor typo in 'perf probe' doc.

Fixes: 631c9def804b2c92 ("perf probe: Support --line option to show probable source-code lines")
Signed-off-by: qinyu <qinyu32@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Feilong Lin <linfeilong@huawei.com>
Cc: Hewenliang <hewenliang4@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230116012143.432435-1-qinyu32@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 7f8e8ba3a7872a757cb4362cb42bcca2cc48f3be..5c43a6edc0e5b7c41bfbeeec400f629a007bfcc2 100644 (file)
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -222,7 +222,7 @@ probe syntax, 'SRC' means the source file path, 'ALN' is start line number,
 and 'ALN2' is end line number in the file. It is also possible to specify how
 many lines to show by using 'NUM'. Moreover, 'FUNC@SRC' combination is good
 for searching a specific function when several functions share same name.
-So, "source.c:100-120" shows lines between 100th to l20th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function.
+So, "source.c:100-120" shows lines between 100th to 120th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function.
 
 LAZY MATCHING
 -------------