diff --git a/src/bpf_helper_defs.h b/src/bpf_helper_defs.h
index 2c3040a..add8874 100644
--- a/src/bpf_helper_defs.h
+++ b/src/bpf_helper_defs.h
@@ -1450,7 +1450,7 @@ static long (*bpf_perf_event_read_value)(void *map, __u64 flags, struct bpf_perf
 /*
  * bpf_perf_prog_read_value
  *
- * 	For en eBPF program attached to a perf event, retrieve the
+ * 	For an eBPF program attached to a perf event, retrieve the
  * 	value of the event counter associated to *ctx* and store it in
  * 	the structure pointed by *buf* and of size *buf_size*. Enabled
  * 	and running times are also stored in the structure (see