3 files changed, 8 insertions, 2 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h
index 7caf3c34a..36eed3d10 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_block.h
@@ -247,7 +247,7 @@ class gr_block : public gr_basic_block {
   /*!
    * \brief  Adds a new tag onto the given output buffer.
    * 
-   * \param which_ouput  an integer of which output stream to attach the tag
+   * \param which_output an integer of which output stream to attach the tag
    * \param abs_offset   a uint64 number of the absolute item number
    *                     assicated with the tag. Can get from nitems_written.
    * \param key          the tag key as a PMT symbol
diff --git a/gnuradio-core/src/lib/runtime/gr_block_detail.h b/gnuradio-core/src/lib/runtime/gr_block_detail.h
index 834ef47f5..d7ec3b136 100644
--- a/gnuradio-core/src/lib/runtime/gr_block_detail.h
+++ b/gnuradio-core/src/lib/runtime/gr_block_detail.h
@@ -103,7 +103,7 @@ class gr_block_detail {
    * from it. It then calls gr_buffer::add_item_tag(pmt::pmt_t t),
    * which appends the tag onto its deque.
    *
-   * \param which_ouput  an integer of which output stream to attach the tag
+   * \param which_output  an integer of which output stream to attach the tag
    * \param abs_offset   a uint64 number of the absolute item number
    *                     assicated with the tag. Can get from nitems_written.
    * \param key          the tag key as a PMT symbol
diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.h b/gnuradio-core/src/lib/runtime/gr_buffer.h
index 2d88c1722..fe0e7585d 100644
--- a/gnuradio-core/src/lib/runtime/gr_buffer.h
+++ b/gnuradio-core/src/lib/runtime/gr_buffer.h
@@ -99,6 +99,11 @@ class gr_buffer {
    */
   void add_item_tag(const pmt::pmt_t &tag);
 
+  /*!
+   * \brief  Removes all tags before \p max_time from buffer
+   * 
+   * \param max_time        the time (item number) to trim up until.
+   */
   void prune_tags(uint64_t max_time);
 
   std::deque<pmt::pmt_t>::iterator get_tags_begin() { return d_item_tags.begin(); }
@@ -244,6 +249,7 @@ class gr_buffer_reader {
 
   /*!
    * \brief Return the block that reads via this reader.
+   *
    */
   gr_block_sptr link() { return gr_block_sptr(d_link); }