diff --git a/pandas/_libs/lib.pyx b/pandas/_libs/lib.pyx
index 63d70f4ce59c9..8ba6098029895 100644
--- a/pandas/_libs/lib.pyx
+++ b/pandas/_libs/lib.pyx
@@ -1518,7 +1518,7 @@ cdef object _try_infer_map(object dtype):
 
 def infer_dtype(value: object, skipna: bool = True) -> str:
     """
-    Return a string label of the type of a scalar or list-like of values.
+    Return a string label of the type of the elements in a list-like input.
 
     This method inspects the elements of the provided input and determines
     classification of its data type. It is particularly useful for
@@ -1527,7 +1527,7 @@ def infer_dtype(value: object, skipna: bool = True) -> str:
 
     Parameters
     ----------
-    value : scalar, list, ndarray, or pandas type
+    value : list, ndarray, or pandas type
         The input data to infer the dtype.
     skipna : bool, default True
         Ignore NaN values when inferring the type.
@@ -1573,6 +1573,7 @@ def infer_dtype(value: object, skipna: bool = True) -> str:
 
     Notes
     -----
+    - The value parameter must be an iterable; scalar inputs are not supported.
     - 'mixed' is the catchall for anything that is not otherwise
       specialized
     - 'mixed-integer-float' are floats and integers
diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index a16964435ef50..5ffa363ea3ea8 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -5108,8 +5108,8 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
         warnings.warn(
             f"\'{name}\' is deprecated and will be removed "
             f"in a future version, please use "
-            f"\'{c_PERIOD_AND_OFFSET_DEPR_FREQSTR.get(name)}\'"
-            f" instead.",
+            f"\'{c_PERIOD_AND_OFFSET_DEPR_FREQSTR.get(name)}\' "
+            f"instead.",
             FutureWarning,
             stacklevel=find_stack_level(),
             )
@@ -5122,8 +5122,8 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
             warnings.warn(
                 f"\'{name}\' is deprecated and will be removed "
                 f"in a future version, please use "
-                f"\'{_name}\'"
-                f" instead.",
+                f"\'{_name}\' "
+                f"instead.",
                 FutureWarning,
                 stacklevel=find_stack_level(),
                 )