DOC: Backticks missing in pandas.DataFrame.query (#40400)

Author: sstiijn

pandas/core/frame.py

@@ -3784,7 +3784,7 @@ 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
@@ -3799,8 +3799,8 @@ def query(self, expr: str, inplace: bool = False, **kwargs):
             You can refer to column names that are not valid Python variable names
             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
+            surrounded by backticks. (For example, a column named "Area (cm^2)" would
+            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