diff --git a/future_changes.md b/future_changes.md
index cb6c690e030..f0f62dc710c 100644
--- a/future_changes.md
+++ b/future_changes.md
@@ -6,4 +6,5 @@
 
 ### Fixed
 
+- Livemap: improve "tiles" documentation [[#1093](https://github.com/JetBrains/lets-plot/issues/1093)].
 - Undesired vertical scroller when displaying `gggrid` in Jupyter notebook.
diff --git a/python-package/lets_plot/__init__.py b/python-package/lets_plot/__init__.py
index 8abb5f70258..741a3a8b772 100644
--- a/python-package/lets_plot/__init__.py
+++ b/python-package/lets_plot/__init__.py
@@ -236,7 +236,7 @@ def setup_show_ext(cls, *,
             # Show the plot in the Chrome web browser for Windows.
             # This is the default setup path. Replace the file path with your own if it differs.
             from lets_plot import *
-            LetsPlot.setup_show_ext(exec = 'C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe --app=%s')
+            LetsPlot.setup_show_ext(exec='C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe --app=%s')
             p = ggplot() + geom_point(x=0, y=0)
             p.show()
 
@@ -248,7 +248,7 @@ def setup_show_ext(cls, *,
 
             # Show the plot in the Safari web browser for macOS.
             from lets_plot import *
-            LetsPlot.setup_show_ext(exec = 'open -a safari %s')
+            LetsPlot.setup_show_ext(exec='open -a safari %s')
             p = ggplot() + geom_point(x=0, y=0)
             p.show()
 
@@ -261,7 +261,7 @@ def setup_show_ext(cls, *,
             # Show the plot in the Chrome web browser for macOS in the application mode.
             # This is the default setup path. Replace the path with your own if it differs.
             from lets_plot import *
-            LetsPlot.setup_show_ext(exec = '/Applications/Google\\ Chrome.app/Contents/MacOS/Google\\ Chrome --app=%s')
+            LetsPlot.setup_show_ext(exec='/Applications/Google\\ Chrome.app/Contents/MacOS/Google\\ Chrome --app=%s')
             p = ggplot() + geom_point(x=0, y=0)
             p.show()
 
@@ -273,7 +273,7 @@ def setup_show_ext(cls, *,
 
             # Show the plot in the Chrome web browser for Linux.
             from lets_plot import *
-            LetsPlot.setup_show_ext(exec = 'google-chrome --app=%s')
+            LetsPlot.setup_show_ext(exec='google-chrome --app=%s')
             p = ggplot() + geom_point(x=0, y=0)
             p.show()
 
diff --git a/python-package/lets_plot/plot/geom.py b/python-package/lets_plot/plot/geom.py
index 855cb566e69..43f7bee29e0 100644
--- a/python-package/lets_plot/plot/geom.py
+++ b/python-package/lets_plot/plot/geom.py
@@ -6597,7 +6597,7 @@ def geom_pie(mapping=None, *, data=None, stat=None, position=None, show_legend=N
     - x : x-axis value.
     - y : y-axis value.
     - slice : values associated to pie sectors.
-    - explode : values to explode slices away from their center point, detaching it from the main pie.
+    - explode : values to explode slices away from their center point, detaching it from the main pie. Accept values between 0 and 1.
     - size : pie diameter.
     - fill : fill color. String in the following formats: RGB/RGBA (e.g. "rgb(0, 0, 255)"); HEX (e.g. "#0000FF"); color name (e.g. "red"); role name ("pen", "paper" or "brush").
     - alpha : transparency level of the pie. Accept values between 0 and 1.
diff --git a/python-package/lets_plot/plot/geom_livemap_.py b/python-package/lets_plot/plot/geom_livemap_.py
index b19d0b2fd78..6e3e1912f1c 100644
--- a/python-package/lets_plot/plot/geom_livemap_.py
+++ b/python-package/lets_plot/plot/geom_livemap_.py
@@ -50,9 +50,14 @@ def geom_livemap(*,
         'epsg4326' for Equirectangular projection. `projection` only works
         with vector map tiles (i.e. Lets-Plot map tiles).
     tiles : str
-        Tiles provider, either as a string - URL for a standard raster ZXY tile provider
-        with {z}, {x} and {y} wildcards (e.g. 'http://my.tile.com/{z}/{x}/{y}.png')
-        or the result of a call to a `maptiles_xxx()` functions.
+        Tile provider:
+
+        - pass a predefined constant from the `tilesets` module (Lets-Plot's vector tiles, e.g. `LETS_PLOT_COLOR`, or external raster tiles, e.g. `OPEN_TOPO_MAP`);
+        - pass a URL for a standard raster ZXY tile provider with {z}, {x} and {y} wildcards (e.g. 'http://my.tile.com/{z}/{x}/{y}.png') if the required tileset not present in the module;
+        - pass the result of a call to a `maptiles_zxy()` function if further customisation is required (e.g. attribution or zoom).
+
+        More information about tiles can be found here:
+        https://lets-plot.org/python/pages/basemap_tiles.html
     show_coord_pick_tools : bool, default=False
         Show buttons "copy location" and "draw geometry".
     data_size_zoomin : int, default=0
@@ -95,9 +100,10 @@ def geom_livemap(*,
 
     .. jupyter-execute::
         :linenos:
-        :emphasize-lines: 9
+        :emphasize-lines: 10
 
         from lets_plot import *
+        from lets_plot import tilesets
         LetsPlot.setup_html()
         data = {
             'city': ['New York City', 'Prague'],
@@ -105,7 +111,7 @@ def geom_livemap(*,
             'lat': [40.6408, 50.073658],
         }
         ggplot(data, aes(x='lon', y='lat')) + \\
-            geom_livemap(projection='epsg4326', tiles=maptiles_lets_plot(theme='dark')) + \\
+            geom_livemap(projection='epsg4326', tiles=tilesets.LETS_PLOT_DARK) + \\
             geom_path(color='white', geodesic=True) + \\
             geom_point(color='white', tooltips=layer_tooltips().line('@city')) + \\
             ggtitle("The shortest path between New York and Prague")