Doc: fix doxygen comments.

Some existing doxygen comments resulted in bad or bad looking
documentation. These were fixed.

Change-Id: I20ab5a81c54d3bdc0e056965ad7de293d472cdf9
Signed-off-by: Gyorgy Szing <Gyorgy.Szing@arm.com>
diff --git a/interface/include/psa_protected_storage.h b/interface/include/psa_protected_storage.h
index bd1d91e..91a1604 100644
--- a/interface/include/psa_protected_storage.h
+++ b/interface/include/psa_protected_storage.h
@@ -200,7 +200,7 @@
  * \retval PSA_PS_ERROR_STORAGE_FAILURE     If the data is not written correctly in the physical storage
  * \retval PSA_PS_ERROR_OFFSET_INVALID      The operation failed because an offset was supplied that is invalid
  *                                          for the allocated size of the space
- *                                          reserved for the `uid` when \ref psa_psa_create
+ *                                          reserved for the `uid` when \ref psa_ps_create
  *                                          was called. For example, offset + size
  *                                          is too large
  * \retval PSA_PS_ERROR_INVALID_ARGUMENT    The operation failed because one or more of the given arguments were invalid (null pointer, wrong flags, etc)