Update Insert Pos comment

Author: Fábio Mestre

source/adapters/cuda/kernel.hpp

@@ -68,7 +68,7 @@ struct ur_kernel_handle_t_ {
     args_size_t ParamSizes;
     /// Byte offset into /p Storage allocation for each parameter.
     args_index_t Indices;
-    /// Largest argument index that has been added to this kernel so far.
+    /// Position in the Storage array where the next argument should added.
     size_t InsertPos = 0;
     /// Aligned size in bytes for each local memory parameter after padding has
     /// been added. Zero if the argument at the index isn't a local memory

source/adapters/hip/kernel.hpp

@@ -63,7 +63,7 @@ struct ur_kernel_handle_t_ {
     args_size_t ParamSizes;
     /// Byte offset into /p Storage allocation for each parameter.
     args_index_t Indices;
-    /// Largest argument index that has been added to this kernel so far.
+    /// Position in the Storage array where the next argument should added.
     size_t InsertPos = 0;
     /// Aligned size in bytes for each local memory parameter after padding has
     /// been added. Zero if the argument at the index isn't a local memory