diff --git a/man/diff_module.Rd b/man/diff_module.Rd
new file mode 100644
index 0000000..010238c
--- /dev/null
+++ b/man/diff_module.Rd
@@ -0,0 +1,39 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/miRSM.R
+\name{diff_module}
+\alias{diff_module}
+\title{diff_module}
+\usage{
+diff_module(
+  Module.group1,
+  Module.group2,
+  sim.cutoff = 0.8,
+  sim.method = "Simpson"
+)
+}
+\arguments{
+\item{Module.group1}{List object, the first list of module group.}
+
+\item{Module.group2}{List object, the second list of module group.}
+
+\item{sim.cutoff}{Similarity cutoff between modules, the interval is [0 1].}
+
+\item{sim.method}{Methods for calculating similatiry between two modules, select one of three methods (Simpson, Jaccard and Lin). Default method is Simpson.}
+}
+\value{
+A list of differential modules
+}
+\description{
+Inferring differential modules between two list of module groups
+}
+\examples{
+library(GSEABase)
+data(BRCASampleData)
+modulegenes_WGCNA_all <- module_WGCNA(ceRExp, mRExp)
+modulegenes_WGCNA_1 <- module_WGCNA(ceRExp[-1, ], mRExp[-1, ])
+Differential_module <- diff_module(geneIds(modulegenes_WGCNA_all), geneIds(modulegenes_WGCNA_1))
+
+}
+\author{
+Junpeng Zhang (\url{https://www.researchgate.net/profile/Junpeng-Zhang-2})
+}
diff --git a/man/Module_group_sim.Rd b/man/module_group_sim.Rd
similarity index 100%
rename from man/Module_group_sim.Rd
rename to man/module_group_sim.Rd