Gallery: Start only the first word of the title with an upper-case letter (#2927)

yvonnefroehlich · web-flow · commit bb8234530af4 · 2023-12-28T09:13:04.000+08:00
diff --git a/examples/gallery/3d_plots/scatter3d.py b/examples/gallery/3d_plots/scatter3d.py
@@ -1,5 +1,5 @@
 """
-3-D Scatter plots
+3-D scatter plots
 =================
 
 The :meth:`pygmt.Figure.plot3d` method can be used to plot symbols in 3-D.
diff --git a/examples/gallery/images/rgb_image.py b/examples/gallery/images/rgb_image.py
@@ -1,5 +1,5 @@
 """
-RGB Image
+RGB image
 =========
 
 The :meth:`pygmt.Figure.grdimage` method can be used to plot Red, Green, Blue
diff --git a/examples/gallery/maps/borders.py b/examples/gallery/maps/borders.py
@@ -1,5 +1,5 @@
 """
-Political Boundaries
+Political boundaries
 ====================
 
 The ``borders`` parameter of :meth:`pygmt.Figure.coast` specifies levels of
diff --git a/examples/gallery/maps/choropleth_map.py b/examples/gallery/maps/choropleth_map.py
@@ -1,5 +1,5 @@
 """
-Choropleth Map
+Choropleth map
 ==============
 
 The :meth:`pygmt.Figure.plot` method allows us to plot geographical data such
diff --git a/examples/gallery/symbols/patterns.py b/examples/gallery/symbols/patterns.py
@@ -1,5 +1,5 @@
 r"""
-Bit and Hachure Patterns
+Bit and hachure patterns
 ========================
 
 PyGMT allows using bit or hachure patterns via the ``fill`` parameter
