diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index e6d1816e431a9c3bd0839db29dd8b231c40b8455..42e892b1e97981a19511d026f977c45feff0497b 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -97,7 +97,7 @@ int test__backward_ring_buffer(int subtest __maybe_unused)
 
 	evlist = perf_evlist__new();
 	if (!evlist) {
-		pr_debug("No enough memory to create evlist\n");
+		pr_debug("Not enough memory to create evlist\n");
 		return TEST_FAIL;
 	}
 
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 2673e86ed50fad3496e1b50c7770142e21d6d32c..8f0298aff222b5d28cd2e60762875e3a2036a1e6 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -125,7 +125,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void),
 	/* Instead of perf_evlist__new_default, don't add default events */
 	evlist = perf_evlist__new();
 	if (!evlist) {
-		pr_debug("No enough memory to create evlist\n");
+		pr_debug("Not enough memory to create evlist\n");
 		return TEST_FAIL;
 	}
 
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 2b2c9b82f5abc55d22ff451ec32161c558091895..a5fd275238f770bf020ef4faa954f5365d13c405 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -241,7 +241,7 @@ parse_prog_config_kvpair(const char *config_str, struct perf_probe_event *pev)
 	int err = 0;
 
 	if (!text) {
-		pr_debug("No enough memory: dup config_str failed\n");
+		pr_debug("Not enough memory: dup config_str failed\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -531,7 +531,7 @@ static int map_prologue(struct perf_probe_event *pev, int *mapping,
 
 	ptevs = malloc(array_sz);
 	if (!ptevs) {
-		pr_debug("No enough memory: alloc ptevs failed\n");
+		pr_debug("Not enough memory: alloc ptevs failed\n");
 		return -ENOMEM;
 	}
 
@@ -604,13 +604,13 @@ static int hook_load_preprocessor(struct bpf_program *prog)
 	priv->need_prologue = true;
 	priv->insns_buf = malloc(sizeof(struct bpf_insn) * BPF_MAXINSNS);
 	if (!priv->insns_buf) {
-		pr_debug("No enough memory: alloc insns_buf failed\n");
+		pr_debug("Not enough memory: alloc insns_buf failed\n");
 		return -ENOMEM;
 	}
 
 	priv->type_mapping = malloc(sizeof(int) * pev->ntevs);
 	if (!priv->type_mapping) {
-		pr_debug("No enough memory: alloc type_mapping failed\n");
+		pr_debug("Not enough memory: alloc type_mapping failed\n");
 		return -ENOMEM;
 	}
 	memset(priv->type_mapping, -1,
@@ -864,7 +864,7 @@ bpf_map_op_setkey(struct bpf_map_op *op, struct parse_events_term *term)
 
 		op->k.array.ranges = memdup(term->array.ranges, memsz);
 		if (!op->k.array.ranges) {
-			pr_debug("No enough memory to alloc indices for map\n");
+			pr_debug("Not enough memory to alloc indices for map\n");
 			return -ENOMEM;
 		}
 		op->key_type = BPF_MAP_KEY_RANGES;
@@ -929,7 +929,7 @@ bpf_map_priv__clone(struct bpf_map_priv *priv)
 
 	newpriv = zalloc(sizeof(*newpriv));
 	if (!newpriv) {
-		pr_debug("No enough memory to alloc map private\n");
+		pr_debug("Not enough memory to alloc map private\n");
 		return NULL;
 	}
 	INIT_LIST_HEAD(&newpriv->ops_list);
@@ -960,7 +960,7 @@ bpf_map__add_op(struct bpf_map *map, struct bpf_map_op *op)
 	if (!priv) {
 		priv = zalloc(sizeof(*priv));
 		if (!priv) {
-			pr_debug("No enough memory to alloc map private\n");
+			pr_debug("Not enough memory to alloc map private\n");
 			return -ENOMEM;
 		}
 		INIT_LIST_HEAD(&priv->ops_list);
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index bf7216b8731ddbbeb9326181857962d54c6c3d03..27b6f303720a4e61c62873d6116a2a351e880471 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -339,7 +339,7 @@ dump_obj(const char *path, void *obj_buf, size_t size)
 	char *p;
 
 	if (!obj_path) {
-		pr_warning("WARNING: No enough memory, skip object dumping\n");
+		pr_warning("WARNING: Not enough memory, skip object dumping\n");
 		return;
 	}