diff --git a/guides/upgrading/v1.0.0-rc1.md b/guides/upgrading/v1.0.0-rc1.md
index d96637b5f..bc43deb37 100644
--- a/guides/upgrading/v1.0.0-rc1.md
+++ b/guides/upgrading/v1.0.0-rc1.md
@@ -2,7 +2,7 @@
 
 ### Remove `handle_buffers_batch/4`/`handle_process_list/4`/`handle_write_list/4` callback
 
-In `v1.0.0-rc1` we removed `handle_buffers_batch/4` callback. Instead of handling list of buffer in this callback, you have to handle every single buffer separately in `hanlde_buffer/4` callback.
+In `v1.0.0-rc1` we removed `handle_buffers_batch/4` callback. Instead of handling list of buffer in this callback, you have to handle every single buffer separately in `handle_buffer/4` callback.
 
 ```diff
 @impl true
@@ -45,4 +45,4 @@ spec =
 
 - pipeline = Membrane.Testing.Pipeline.start_link_supervised(structure: spec)
 + pipeline = Membrane.Testing.Pipeline.start_link_supervised(spec: spec)
-```
\ No newline at end of file
+```