doc [ci skip]

src/nvim/api/buffer.c

@@ -1058,7 +1058,7 @@ ArrayOf(Integer) nvim_buf_get_extmark_by_id(Buffer buffer, Integer ns_id,
 /// @param opts additional options. Supports the keys:
 ///          - amount:  Maximum number of marks to return
 /// @param[out] err Details of an error that may have occurred
-/// @return [[nsmark_id, row, col], ...]
+/// @return [[extmark_id, row, col], ...]
 Array nvim_buf_get_extmarks(Buffer buffer, Integer ns_id,
                             Object start, Object end, Dictionary opts,
                             Error *err)

src/nvim/ex_cmds.c

@@ -3457,9 +3457,9 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout,
   linenr_T newline_in_pat = 0;
   linenr_T newline_in_sub = 0;
 
-  // inccomand tests fail without this check
+  // inccommand tests fail without this check
   if (!preview) {
-    // Requried for Undo to work for nsmarks,
+    // Required for Undo to work for extmarks.
     u_save_cursor();
   }