Repair various invalid HeaderDoc comments.

Enable build setting to allow Xcode to complain about invalid
comments.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/exec.cpp b/src/exec.cpp
index aefdbc12..a5bdbc0b 100644
--- a/src/exec.cpp
+++ b/src/exec.cpp
@@ -315,7 +315,7 @@ static bool io_transmogrify(const io_chain_t &in_chain, io_chain_t *out_chain,
 /// \param def the code to evaluate, or the empty string if none
 /// \param node_offset the offset of the node to evalute, or NODE_OFFSET_INVALID
 /// \param block_type the type of block to push on evaluation
-/// \param io the io redirections to be performed on this block
+/// \param ios the io redirections to be performed on this block
 static void internal_exec_helper(parser_t &parser, const wcstring &def, node_offset_t node_offset,
                                  enum block_type_t block_type, const io_chain_t &ios) {
     // If we have a valid node offset, then we must not have a string to execute.