docs: Fix typo in Release notes [skip ci]
@@ -14,7 +14,7 @@ If it set to 0 then the PTHREAD_POOL_SIZE option will not be passed.
## Introduce dataonly for the pkgconfig module
This allows users to disable writing out the inbuilt variables to
-the pkg-config file as they might actualy not be required.
+the pkg-config file as they might actually not be required.
One reason to have this is for architecture-independent pkg-config
files in projects which also have architecture-dependent outputs.
