diff --git a/Introduction.md b/Introduction.md
index 470208d..a8bd4e0 100644
--- a/Introduction.md
+++ b/Introduction.md
@@ -2,6 +2,11 @@ This is an internal toolbox for analyzing data especially got by labscript of ul
 
 Now, it includes
 
-Constant dictionary class for ** Transition related information (including calculator of absorption cross section) ** Camera related information
-get the absorption imaging from standard three figures.
-fitting function, which can automatically find the start point ** One-dimensional Gaussian fitting ** Two-dimensional Gaussian fitting ** Fit a two-dimensional Gaussian function with two one-dimensional Gaussian fittings crossing the max value point. This function is aiming to provide a fast solution for living plots.
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+Constant dictionary class for 
+* Transition related information (including calculator of absorption cross section) 
+** Camera related information
+** get the absorption imaging from standard three figures.
+* fitting function, which can automatically find the start point 
+** One-dimensional Gaussian fitting 
+** Two-dimensional Gaussian fitting 
+** Fit a two-dimensional Gaussian function with two one-dimensional Gaussian fittings crossing the max value point. This function is aiming to provide a fast solution for living plots.
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