diff --git a/OpenCL/m15400_a0.cl b/OpenCL/m15400_a0.cl
index 4a675e3ba..c6a414f74 100644
--- a/OpenCL/m15400_a0.cl
+++ b/OpenCL/m15400_a0.cl
@@ -132,6 +132,10 @@ __kernel void m15400_m04 (__global pw_t *pws, __global const kernel_rule_t *rule
 
   const u32 pw_len = pws[gid].pw_len;
 
+  /**
+   * Salt prep       
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 };
@@ -205,6 +209,10 @@ __kernel void m15400_s04 (__global pw_t *pws, __global const kernel_rule_t *rule
 
   const u32 pw_len = pws[gid].pw_len;
 
+  /**
+   * Salt prep
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 };
diff --git a/OpenCL/m15400_a1.cl b/OpenCL/m15400_a1.cl
index f3398c79d..b82881c60 100644
--- a/OpenCL/m15400_a1.cl
+++ b/OpenCL/m15400_a1.cl
@@ -132,6 +132,10 @@ __kernel void m15400_m04 (__global pw_t *pws, __global const kernel_rule_t *rule
 
   const u32 pw_l_len = pws[gid].pw_len;
 
+  /**
+   * Salt prep       
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 }; 
@@ -265,6 +269,10 @@ __kernel void m15400_s04 (__global pw_t *pws, __global const kernel_rule_t *rule
 
   const u32 pw_l_len = pws[gid].pw_len;
 
+  /**
+   * Salt prep       
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 };
diff --git a/OpenCL/m15400_a3.cl b/OpenCL/m15400_a3.cl
index 4980e96ee..7131c4c12 100644
--- a/OpenCL/m15400_a3.cl
+++ b/OpenCL/m15400_a3.cl
@@ -116,6 +116,10 @@ __kernel void m15400_m04 (__global pw_t *pws, __global const kernel_rule_t *rule
   const u32 gid = get_global_id (0);
   const u32 lid = get_local_id (0);
 
+  /**
+   * Salt prep       
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 };
@@ -194,6 +198,10 @@ __kernel void m15400_s04 (__global pw_t *pws, __global const kernel_rule_t *rule
   const u32 gid = get_global_id (0);
   const u32 lid = get_local_id (0);
 
+  /**
+   * Salt prep       
+   */
+
   u32 iv[2]    = { 0 };
   u32 plain[2] = { 0 };
   u32 position[2] = { 0 };