diff --git a/CoLo-AT/README.md b/CoLo-AT/README.md
index 5bb025643841c0e35050955920708ed54d5ff2eb..44ae9c0a2a799a80f5cd037426cf380d3dae20c6 100755
--- a/CoLo-AT/README.md
+++ b/CoLo-AT/README.md
@@ -114,7 +114,7 @@ def communication(self, robot_data, sensor_data):
 ...
 return [s, orinetations, sigma_s]
 ``` 
-4. Add it to the algorithm library
+2. Add it to the algorithm library
 
 
 ## Files and folders includes within the project
diff --git a/CoLo-PE/README.md b/CoLo-PE/README.md
index a35b34a44ee03605e73606040cad1445351f71e3..5551499f0c178ba03b5493812a8d7b8d1c6ba916 100644
--- a/CoLo-PE/README.md
+++ b/CoLo-PE/README.md
@@ -7,7 +7,7 @@ CoLo-PE is the physical experiment of CoLo. It is a physical experiment setup fo
 In CoLo-PE, there is a team of ground robots equipped with cameras and a groundtruth data collection system. Each robot can will log its odometry data and measurement data (based on AruCo) into its odometry file and measurement files
 
 The manual will explain the software and hardware used in CoLo-PE for users to help them create their own experiments in details. 
-
+[CoLo-PE Manual](https://docs.google.com/document/d/1tSIguoFJ5Fdcca0Eqcs4SZFRv2TBLSsm4NYaoaRcUwg/edit?usp=sharing)
 ## Running CoLo-PE
 
 1. Make sure the groundtruth data collection system can capture all the needed subjects includes landmarks and robots
@@ -31,6 +31,5 @@ $ ./robot_full_run.sh
 
 
 ## Authors
-
 Shengkang Chen
 Clara Chun
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