bpftool: Fix typos

Fix typos in documentation.

Reported-by: Matthew Wilcox <[email protected]>
Reported-by: Quentin Monnet <[email protected]>
Signed-off-by: Andrew Kreimer <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Acked-by: Quentin Monnet <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]

Author: algonell

tools/bpf/bpftool/Documentation/bpftool-gen.rst

@@ -172,7 +172,7 @@ bpftool gen min_core_btf *INPUT* *OUTPUT* *OBJECT* [*OBJECT*...]
     CO-RE based application, turning the application portable to different
     kernel versions.
 
-    Check examples bellow for more information how to use it.
+    Check examples below for more information on how to use it.
 
 bpftool gen help
     Print short help message.