Fixed typos.

example_1.md

@@ -38,7 +38,7 @@ class Move:
 	def __init__(self):
 		"""
 		Function that initializes the subscriber.
-		:param self: The self reference
+		:param self: The self reference.
 		"""
 		self.pub = rospy.Publisher('/stretch/cmd_vel', Twist, queue_size=1) #/stretch_diff_drive_controller/cmd_vel for gazebo
 
@@ -47,7 +47,7 @@ class Move:
 		Function that publishes Twist messages
 		:param self: The self reference.
 
-		:publishes command: Twist message
+		:publishes command: Twist message.
 		"""
 		command = Twist()
 		command.linear.x = 0.1
@@ -152,7 +152,7 @@ After saving the edited node, bringup [Stretch in the empty world simulation](ga
 
 ```bash
 cd catkin_ws/src/stretch_ros_tutorials/src/
-python3 move.py
+python move.py
 ```
 To stop the node from sending twist messages, type **Ctrl** + **c**.
 

example_2.md

@@ -82,7 +82,7 @@ from sensor_msgs.msg import LaserScan
 class ScanFilter:
   """
   A class that implements a LaserScan filter that removes all of the points
-  that are not infront of the robot
+  that are not infront of the robot.
   """
 	def __init__(self):
 		self.width = 1.0

example_3.md

@@ -47,7 +47,7 @@ class Avoider:
     def __init__(self):
         """
         Function that initializes the subscriber, publisher, and marker features.
-        :param self: The self reference
+        :param self: The self reference.
         """
         self.pub = rospy.Publisher('/stretch/cmd_vel', Twist, queue_size=1) #/stretch_diff_drive_controller/cmd_vel for gazebo
         self.sub = rospy.Subscriber('/scan', LaserScan, self.set_speed)

example_4.md

@@ -34,7 +34,7 @@ class Balloon():
 	def __init__(self):
 		"""
 		Function that initializes the markers features.
-		:param self: The self reference
+		:param self: The self reference.
 		"""
 		self.publisher = rospy.Publisher('balloon', Marker, queue_size=10)
 		self.marker = Marker()
@@ -57,10 +57,10 @@ class Balloon():
 
 	def publish_marker(self):
 		"""
-		Function that publishes the sphere marker
-		:param self: The self reference
+		Function that publishes the sphere marker.
+		:param self: The self reference.
 
-		:publishes self.marker: Marker message
+		:publishes self.marker: Marker message.
 		"""
 		self.publisher.publish(self.marker)
 

example_5.md

@@ -44,14 +44,14 @@ class JointStatePublisher():
 	def __init__(self):
 		"""
 		Function that initializes the subsriber.
-		:param self: The self reference
+		:param self: The self reference.
 		"""
 		self.sub = rospy.Subscriber('joint_states', JointState, self.callback)
 
 	def callback(self, msg):
 		"""
 		Callback function to deal with the incoming JointState messages.
-		:param self: The self reference
+		:param self: The self reference.
 		:param msg: The JointState message.
 		"""
 		self.joint_states = msg
@@ -60,7 +60,7 @@ class JointStatePublisher():
 		"""
 		print_states function to deal with the incoming JointState messages.
 		:param self: The self reference.
-		:param joints: A list of joint names
+		:param joints: A list of joint names.
 		"""
 		joint_positions = []
 		for joint in joints:

example_6.md

@@ -66,7 +66,7 @@ class JointActuatorEffortSensor(hm.HelloNode):
     def issue_command(self):
         """
         Function that makes an action call and sends joint trajectory goals
-        to a single joint
+        to a single joint.
         :param self: The self reference.
         """
         trajectory_goal = FollowJointTrajectoryGoal()