diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d8da1e4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "doxygen-awesome-css"]
+	path = doxygen-awesome-css
+	url = https://github.com/jothepro/doxygen-awesome-css.git
diff --git a/doxygen-awesome-css b/doxygen-awesome-css
new file mode 160000
index 0000000..5b27b3a
--- /dev/null
+++ b/doxygen-awesome-css
@@ -0,0 +1 @@
+Subproject commit 5b27b3a747ca1e559fa54149762cca0bad6036fb
diff --git a/src/test.py b/src/test.py
index 9289c4d..dca7b57 100644
--- a/src/test.py
+++ b/src/test.py
@@ -2,7 +2,7 @@
 
 class Calculator:
     """
-    A kk kk kk simple calculator class to perform basic arithmetic operations.
+    A kk kk simple calculator class to perform basic arithmetic operations.
     """
 
     def __init__(self, value=0):