diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpuinfo_x86.h b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpuinfo_x86.h
index 1ec2d54ca..50d1b0498 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpuinfo_x86.h
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpuinfo_x86.h
@@ -65,7 +65,7 @@ typedef struct
     int avx512bitalg : 1;
     int avx512vpopcntdq : 1;
     int avx512_4vnniw : 1;
-    int avx512_4vbmi2 : 1;
+    int avx512_4vbmi2 : 1;  // Note: this is an alias to avx512_4fmaps.
     int avx512_second_fma : 1;
     int avx512_4fmaps : 1;
     int avx512_bf16 : 1;
@@ -219,7 +219,7 @@ typedef enum
     X86_AVX512BITALG,
     X86_AVX512VPOPCNTDQ,
     X86_AVX512_4VNNIW,
-    X86_AVX512_4VBMI2,
+    X86_AVX512_4VBMI2,  // Note: this is an alias to X86_AVX512_4FMAPS.
     X86_AVX512_SECOND_FMA,
     X86_AVX512_4FMAPS,
     X86_AVX512_BF16,