PyDoc: correct use of single back-ticks

tools/utils_maintenance/code_clean.py

@@ -469,7 +469,7 @@ class edit_generators:
 
     class sizeof_fixed_array(EditGenerator):
         """
-        Use fixed size array syntax with `sizeof`:
+        Use fixed size array syntax with ``sizeof``:
 
         Replace:
           sizeof(float) * 4 * 4
@@ -934,7 +934,7 @@ class edit_generators:
 
     class use_const_vars(EditGenerator):
         """
-        Use `const` where possible:
+        Use ``const`` where possible:
 
         Replace:
           float abc[3] = {0, 1, 2};
@@ -1662,7 +1662,7 @@ def test_edit(
         verbose_edit_actions: bool,
 ) -> bool:
     """
-    Return true if `data_test` has the same object output as `data`.
+    Return true if ``data_test`` has the same object output as ``data``.
     """
     if os.path.exists(output):
         os.remove(output)