diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index a0529c7fa5ef..f04f0eaded98 100644
--- a/tools/perf/Documentation/perf-bench.txt
+++ b/tools/perf/Documentation/perf-bench.txt
@@ -18,7 +18,7 @@ COMMON OPTIONS
 --------------
 -r::
 --repeat=::
-Specify amount of times to repeat the run (default 10).
+Specify number of times to repeat the run (default 10).
 
 -f::
 --format=::
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 334ab897aae3..bd4fd94a2ce0 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -150,7 +150,7 @@ unsigned int bench_repeat = 10; /* default number of times to repeat the run */
 
 static const struct option bench_options[] = {
 	OPT_STRING('f', "format", &bench_format_str, "default|simple", "Specify the output formatting style"),
-	OPT_UINTEGER('r', "repeat",  &bench_repeat,   "Specify amount of times to repeat the run"),
+	OPT_UINTEGER('r', "repeat",  &bench_repeat,   "Specify number of times to repeat the run"),
 	OPT_END()
 };
 
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 69394ac0a20d..8901acdd7f5b 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1301,7 +1301,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 		goto out;
 
 	/*
-	 * Print final block upto sample
+	 * Print final block up to sample
 	 *
 	 * Due to pipeline delays the LBRs might be missing a branch
 	 * or two, which can result in very large or negative blocks
diff --git a/tools/perf/util/evswitch.h b/tools/perf/util/evswitch.h
index fd30460b6218..8ffdbe526d98 100644
--- a/tools/perf/util/evswitch.h
+++ b/tools/perf/util/evswitch.h
@@ -22,9 +22,9 @@ bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel);
 
 #define OPTS_EVSWITCH(evswitch)								  \
 	OPT_STRING(0, "switch-on", &(evswitch)->on_name,				  \
-		   "event", "Consider events after the ocurrence of this event"),	  \
+		   "event", "Consider events after the occurrence of this event"),	  \
 	OPT_STRING(0, "switch-off", &(evswitch)->off_name,				  \
-		   "event", "Stop considering events after the ocurrence of this event"), \
+		   "event", "Stop considering events after the occurrence of this event"), \
 	OPT_BOOLEAN(0, "show-on-off-events", &(evswitch)->show_on_off_events,		  \
 		    "Show the on/off switch events, used with --switch-on and --switch-off")