diff --git a/src/bpf_helper_defs.h b/src/bpf_helper_defs.h
index 5ac02ec..736d7b6 100644
--- a/src/bpf_helper_defs.h
+++ b/src/bpf_helper_defs.h
@@ -150,7 +150,7 @@ static __u64 (*bpf_ktime_get_ns)(void) = (void *) 5;
  *
  * 	Also, note that **bpf_trace_printk**\ () is slow, and should
  * 	only be used for debugging purposes. For this reason, a notice
- * 	bloc (spanning several lines) is printed to kernel logs and
+ * 	block (spanning several lines) is printed to kernel logs and
  * 	states that the helper should not be used "for production use"
  * 	the first time this helper is used (or more precisely, when
  * 	**trace_printk**\ () buffers are allocated). For passing values
@@ -474,14 +474,14 @@ static long (*bpf_skb_vlan_pop)(struct __sk_buff *skb) = (void *) 19;
  *
  * 		int ret;
  * 		struct bpf_tunnel_key key = {};
- * 		
+ *
  * 		ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
  * 		if (ret < 0)
  * 			return TC_ACT_SHOT;	// drop packet
- * 		
+ *
  * 		if (key.remote_ipv4 != 0x0a000001)
  * 			return TC_ACT_SHOT;	// drop packet
- * 		
+ *
  * 		return TC_ACT_OK;		// accept packet
  *
  * 	This interface can also be used with all encapsulation devices
@@ -604,7 +604,7 @@ static long (*bpf_redirect)(__u32 ifindex, __u64 flags) = (void *) 23;
  *
  * 	Retrieve the realm or the route, that is to say the
  * 	**tclassid** field of the destination for the *skb*. The
- * 	indentifier retrieved is a user-provided tag, similar to the
+ * 	identifier retrieved is a user-provided tag, similar to the
  * 	one used with the net_cls cgroup (see description for
  * 	**bpf_get_cgroup_classid**\ () helper), but here this tag is
  * 	held by a route (a destination entry), not by a task.