diff --git a/doc/source/CHANGELOG.rst b/doc/source/CHANGELOG.rst
index 0998b77..8a83830 100644
--- a/doc/source/CHANGELOG.rst
+++ b/doc/source/CHANGELOG.rst
@@ -1,5 +1,5 @@
-Changelog
-==========
+📓 Changelog
+=============
 
 v0.4.1
 -------
diff --git a/doc/source/src/installation.rst b/doc/source/src/installation.rst
index 190050c..f7972da 100644
--- a/doc/source/src/installation.rst
+++ b/doc/source/src/installation.rst
@@ -1,4 +1,4 @@
-⚡Installation⚡
+📓 Installation
 =================
 
 Installing *opstool*
diff --git a/doc/source/src/mod_secmesh.rst b/doc/source/src/mod_secmesh.rst
index 8bc6619..f825ef7 100644
--- a/doc/source/src/mod_secmesh.rst
+++ b/doc/source/src/mod_secmesh.rst
@@ -1,4 +1,4 @@
-⚡Fiber Section Mesh Generation⚡
+📓 Fiber Section Mesh Generation
 ==================================
 
 The module :mod:`opstool.preprocessing` provides a series of classes and functions for fiber section mesh generation, 
diff --git a/doc/source/src/mod_vis.rst b/doc/source/src/mod_vis.rst
index 41f0add..e67a1a5 100644
--- a/doc/source/src/mod_vis.rst
+++ b/doc/source/src/mod_vis.rst
@@ -1,5 +1,5 @@
 
-⚡OpenSeesPy Model Visualization⚡
+📓 OpenSeesPy Model Visualization
 ===================================
 
 Currently, Module :mod:`opstool.vis` provides two major roles, OpenSeesPy model (including responses) visualization and 
diff --git a/doc/source/src/tcl2py.rst b/doc/source/src/tcl2py.rst
index 220d590..76d1b48 100644
--- a/doc/source/src/tcl2py.rst
+++ b/doc/source/src/tcl2py.rst
@@ -1,4 +1,4 @@
-⚡Convert tcl code to OpenSeesPy commands⚡
+📓 Convert tcl code to OpenSeesPy commands
 ============================================
 
 For details of the parameters see :func:`opstool.preprocessing.tcl2py`.