[doc] [minor] Capitalize first letter param desc

pink/tasks/linear_holonomic_task.py

@@ -31,7 +31,7 @@ class LinearHolonomicTask(Task):
     r"""Linear holonomic task :math:`A (q \ominus q_0) = b`.
 
     Attributes:
-        A: matrix that defines the task:
+        A: Matrix that defines the task:
 
             .. raw:: latex html
 
@@ -42,8 +42,8 @@ class LinearHolonomicTask(Task):
 
             where :math:`e(q) \in \mathbb{R}^{k}` is the quantity that the task
             aims to drive to zero (:math:`k` is the dimension of the task).
-        b: vector that defines the affine part of the task
-        q_0: element for which we work in the Lie algebra. If set to None, it
+        b: Vector that defines the affine part of the task
+        q_0: Element for which we work in the Lie algebra. If set to None, it
             will use the neutral configuration of the robot.
 
     Notes: