diff --git a/CAD/README.md b/CAD/README.md
index 7dd666a..c8377ae 100644
--- a/CAD/README.md
+++ b/CAD/README.md
@@ -7,9 +7,9 @@ in order to replicate the proposed designs.
 
 The designs of parts (Solidworks .SLDASM .SLDPRT) are parametric. Thus, the user could choose the appropiate dimensions that he wants.
 A guide by which inspired is [here](http://www.eng.yale.edu/grablab/openhand/OpenHand%20CAD%20Guide.pdf). The picture below and tables
-show the parameters and limits of the values that can take. 
+show the parameters and limits of the values. 
 
-<img src="https://raw.github.com/zisi/openBionics/master/Pics/Parameters.png" width="800" height="800" />
+<img src="https://raw.github.com/zisi/openBionics/master/Pics/Parameters.png" width="80%" height="80%" />
 
 #####Design Parameters
 	Name of parameter: limits, default value
@@ -36,10 +36,11 @@ show the parameters and limits of the values that can take.
 
 In order to print or cut the parts in correct dimensions is necessary to add in design the above parameters.
 
-More information about the fabrication parameters you can find [here for 3d printer](http://www.eng.yale.edu/grablab/openhand/OpenHand%20CAD%20Guide.pdf) and [here for laser cutter](http://support.ponoko.com/entries/498833-How-to-make-interlocking-acrylic-designs)
+More information about the fabrication parameters you can find [here for 3d printer](http://www.eng.yale.edu/grablab/openhand/OpenHand%20CAD%20Guide.pdf) and [here for laser cutter](http://support.ponoko.com/entries/498833-How-to-make-interlocking-acrylic-designs).
+
 # Robot Finger Structure
 
-<img src="https://raw.github.com/zisi/openBionics/master/Pics/Finger.png" width="500" height="500" />
+<img src="https://raw.github.com/zisi/openBionics/master/Pics/Finger.png" width="60%" height="60%" />
 # Replicating the Robot Hand Design
 
 In order to replicate this design of robot hands, you will need the below materials.
@@ -55,6 +56,6 @@ In order to replicate this design of robot hands, you will need the below materi
 	[9] Long Darners 
 	[10] Nylon Fishing Line (not shown in the image)
 	
-<img src="https://raw.github.com/zisi/openBionics/master/Pics/materialsNum.png" width="600" height="600" />
+<img src="https://raw.github.com/zisi/openBionics/master/Pics/materialsNum.png" width="60%" height="60%" />
 
 For more information about [design](http://www.openbionics.org/?page_id=38)	
\ No newline at end of file
diff --git a/CAD/RobotHand/README.md b/CAD/RobotHand/README.md
index 5b55623..5702a30 100644
--- a/CAD/RobotHand/README.md
+++ b/CAD/RobotHand/README.md
@@ -17,4 +17,7 @@
 	Weight(g): 280
 	Number of Fingers: 2-4
 
- A complete tutorial for the replication of this robot hand can be found [here.](http://www.openbionics.org/TR2015_OpenBionics_RobotHandsGuide.pdf)
\ No newline at end of file
+To change the design or fabrication parameters you must change the dimensions of the RobotHandParameters.SLDPRT sketch.
+
+A complete tutorial for the replication of this robot hand can be found
+[here.](http://www.openbionics.org/TR2015_OpenBionics_RobotHandsGuide.pdf)
\ No newline at end of file
diff --git a/Electronics/README.md b/Electronics/README.md
index 603f755..0d3c21b 100644
--- a/Electronics/README.md
+++ b/Electronics/README.md
@@ -8,8 +8,7 @@ More information about Arduino Micro can be found [here.](http://arduino.cc/en/M
 # Pinout
 The Pin Mapping of the Arduino Micro Pro "Shield".
 
-![PCB](https://raw.github.com/zisi/openBionics/master/Pics/PCB1.png)
-
+<img src="https://raw.github.com/zisi/openBionics/master/Pics/PCB1.png" width="60%" height="60%" />
 
 # Build of Materials of main PCB
 	Part           Value              Device             Package 
@@ -29,7 +28,7 @@ The Pin Mapping of the Arduino Micro Pro "Shield".
 
 You can attach the PCB at the PCBMount.STL part of the robot hands, using two M2x8 screws and two M2 nuts.
 
-![PCBMount](https://raw.github.com/zisi/openBionics/master/Pics/PCB2.jpg)
+<img src="https://raw.github.com/zisi/openBionics/master/Pics/PCB2.jpg" width="60%" height="60%" />
 
 # Interfaces
 
diff --git a/Software/README.md b/Software/README.md
index 81cd074..74f804e 100644
--- a/Software/README.md
+++ b/Software/README.md
@@ -88,4 +88,5 @@ and run it:
 
     $rosrun openbionics SliderBox.py "usb port" (e.g /dev/ttyACM0)
 
-Before you execute the above command, you must run the lauchn file as mentioned above (How to run ROS node).
+Before you execute the above command, you must run the launch file as mentioned above (How to run ROS node), and to give write
+permissions on that port.