diff --git a/src/ebpf.rs b/src/ebpf.rs
index 9507e8d1..bf12d05d 100644
--- a/src/ebpf.rs
+++ b/src/ebpf.rs
@@ -322,9 +322,9 @@ pub const ADD64_REG: u8 = BPF_ALU64 | BPF_X | BPF_ADD;
 pub const SUB64_IMM: u8 = BPF_ALU64 | BPF_K | BPF_SUB;
 /// BPF opcode: `sub64 dst, src` /// `dst -= src`.
 pub const SUB64_REG: u8 = BPF_ALU64 | BPF_X | BPF_SUB;
-/// BPF opcode: `div64 dst, imm` /// `dst /= imm`.
+/// BPF opcode: `mul64 dst, imm` /// `dst *= imm`.
 pub const MUL64_IMM: u8 = BPF_ALU64 | BPF_K | BPF_MUL;
-/// BPF opcode: `div64 dst, src` /// `dst /= src`.
+/// BPF opcode: `mul64 dst, src` /// `dst *= src`.
 pub const MUL64_REG: u8 = BPF_ALU64 | BPF_X | BPF_MUL;
 /// BPF opcode: `div64 dst, imm` /// `dst /= imm`.
 pub const DIV64_IMM: u8 = BPF_ALU64 | BPF_K | BPF_DIV;
@@ -346,7 +346,7 @@ pub const LSH64_REG: u8 = BPF_ALU64 | BPF_X | BPF_LSH;
 pub const RSH64_IMM: u8 = BPF_ALU64 | BPF_K | BPF_RSH;
 /// BPF opcode: `rsh64 dst, src` /// `dst >>= src`.
 pub const RSH64_REG: u8 = BPF_ALU64 | BPF_X | BPF_RSH;
-/// BPF opcode: `neg64 dst, imm` /// `dst = -dst`.
+/// BPF opcode: `neg64 dst` /// `dst = -dst`.
 pub const NEG64: u8 = BPF_ALU64 | BPF_NEG;
 /// BPF opcode: `mod64 dst, imm` /// `dst %= imm`.
 pub const MOD64_IMM: u8 = BPF_ALU64 | BPF_K | BPF_MOD;