diff --git a/documentation/profile-manual/usage.rst b/documentation/profile-manual/usage.rst
index 49f8af4a74..5493a2b45b 100644
--- a/documentation/profile-manual/usage.rst
+++ b/documentation/profile-manual/usage.rst
@@ -1738,7 +1738,7 @@ events':
The tool is pretty self-explanatory, but for more detailed information
on navigating through the data, see the `kernelshark
-website `__.
+website `__.
ftrace Documentation
--------------------
@@ -1767,8 +1767,8 @@ There is a nice series of articles on using ftrace and trace-cmd at LWN:
- `trace-cmd: A front-end for
Ftrace `__
-There's more detailed documentation kernelshark usage here:
-`KernelShark `__
+See also `KernelShark's documentation `__
+for further usage details.
An amusing yet useful README (a tracing mini-HOWTO) can be found in
``/sys/kernel/debug/tracing/README``.