Move note to more appropiate place

Author: dmpolukhin

clang-tools-extra/docs/clang-tidy/checks/performance/unnecessary-value-param.rst

@@ -18,10 +18,6 @@ the following heuristic is employed:
    on it, or it is used as const reference or value argument in constructors or
    function calls.
 
-Note: This check does not suggest passing parameters by reference in coroutines
-because, after a coroutine suspend point, references could be dangling and no
-longer valid, so suggested changes may result in hard-to-find bugs and crashes.
-
 Example:
 
 .. code-block:: c++
@@ -60,7 +56,11 @@ Will become:
 
 Because the fix-it needs to change the signature of the function, it may break
 builds if the function is used in multiple translation units or some codes
-depends on funcion signatures.
+depends on function signatures.
+
+Note: This check does not suggest passing parameters by reference in coroutines
+because, after a coroutine suspend point, references could be dangling and no
+longer valid, so suggested changes may result in hard-to-find bugs and crashes.
 
 Options
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