DOC: Include code styling GH40375 (#40419)

Author: sstiijn

pandas/core/frame.py

@@ -3745,7 +3745,7 @@ def _box_col_values(self, values, loc: int) -> Series:
     # Unsorted
 
     def query(self, expr: str, inplace: bool = False, **kwargs):
-        r"""
+        """
         Query the columns of a DataFrame with a boolean expression.
 
         Parameters
@@ -3761,7 +3761,7 @@ def query(self, expr: str, inplace: bool = False, **kwargs):
             by surrounding them in backticks. Thus, column names containing spaces
             or punctuations (besides underscores) or starting with digits must be
             surrounded by backticks. (For example, a column named "Area (cm^2)" would
-            be referenced as \`Area (cm^2)\`). Column names which are Python keywords
+            be referenced as ```Area (cm^2)```). Column names which are Python keywords
             (like "list", "for", "import", etc) cannot be used.
 
             For example, if one of your columns is called ``a a`` and you want