diff --git a/releasenotes.md b/releasenotes.md
index 26db6d3dd..ecd85081e 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -42,6 +42,7 @@
 - Fix issue with compiling a constant struct containing a string array in a local context.
 - Fix error where panic would not properly stop the program when stacktrace couldn't be printed #1751.
 - Macros with default arguments to `&`, `#` and type parameters didn't work as expected. #1754.
+- `net::poll()` with negative timeout behaved incorrectly.
 
 ### Stdlib changes
 - Increase BitWriter.write_bits limit up to 32 bits.