diff --git a/doc/_static/custom.css b/doc/_static/custom.css
new file mode 100644
index 000000000..0be5ba4d7
--- /dev/null
+++ b/doc/_static/custom.css
@@ -0,0 +1,13 @@
+/* This CSS snippet makes that the navbar collapse on medium screen already */
+@media screen and (max-width: 950px){
+    .wy-nav-top{display:block}
+    .wy-nav-side{left:-300px}
+    .wy-nav-side.shift{width:85%;left:0}
+    .wy-side-scroll{width:auto}
+    .wy-side-nav-search{width:auto}
+    .wy-menu.wy-menu-vertical{width:auto}
+    .wy-nav-content-wrap{margin-left:0}
+    .wy-nav-content-wrap
+    .wy-nav-content{padding:1.618em}
+    .wy-nav-content-wrap.shift{position:fixed;min-width:100%;left:85%;top:0;height:100%;overflow:hidden}
+}
\ No newline at end of file
diff --git a/doc/_static/style.css b/doc/_static/style.css
deleted file mode 100644
index 6dddc8f9d..000000000
--- a/doc/_static/style.css
+++ /dev/null
@@ -1,37 +0,0 @@
-p + dl {
-    border-top: 2px solid gray;
-    border-bottom: 2px solid gray;
-    padding: 12px;
-}
-
-p + dl dd:last-of-type {
-    margin-bottom: 0;
-}
-
-p + dl dt {
-    font-weight: bold;
-}
-
-p + dl dt::after {
-    content: ":";
-}
-
-dd dt {
-    font-weight: bold;
-    display: inline-block;
-}
-
-dd dt::after {
-    content: ":";
-}
-
-dd dd {
-    display: inline;
-    margin: 0;
-  }
-
-dd dd:after{
-    display: block;
-    content: '';
-  }
-
diff --git a/doc/conf.py b/doc/conf.py
index 3751d8a7a..2be7a7c2f 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -107,7 +107,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -136,7 +136,9 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-# html_static_path = ['_static']
+html_static_path = ['_static']
+
+html_css_files = ['custom.css']
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
diff --git a/doc/index.rst b/doc/index.rst
index 7040f8f34..022533375 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -30,6 +30,7 @@ Widgets
    widgets/statistics
    widgets/corpustonetwork
    widgets/keywords
+   widgets/score-documents
 
 Scripting
 ---------
diff --git a/doc/scripting/wikipedia.rst b/doc/scripting/wikipedia.rst
index 3ba0e977d..a4554642d 100644
--- a/doc/scripting/wikipedia.rst
+++ b/doc/scripting/wikipedia.rst
@@ -2,6 +2,6 @@
 Wikipedia
 =========
 
-.. autoclass:: orangecontrib.text.wikipedia.WikipediaAPI
+.. autoclass:: orangecontrib.text.wikipedia_api.WikipediaAPI
    :members:
    :special-members: __init__
diff --git a/orangecontrib/text/widgets/__init__.py b/orangecontrib/text/widgets/__init__.py
index 5e1a1548f..6b9a3caaf 100644
--- a/orangecontrib/text/widgets/__init__.py
+++ b/orangecontrib/text/widgets/__init__.py
@@ -1,4 +1,5 @@
 # Category metadata.
+import sysconfig
 
 # Category icon show in the menu
 ICON = "icons/category.svg"
@@ -8,18 +9,21 @@
 BACKGROUND = "light-blue"
 
 
-
 # Location of widget help files.
 WIDGET_HELP_PATH = (
     # Used for development.
     # You still need to build help pages using
-    # make htmlhelp
-    # inside doc folder
-    ("{DEVELOP_ROOT}/doc/_build/htmlhelp/index.html", None),
+    # `make html` inside doc folder
+    ("{DEVELOP_ROOT}/doc/_build/html/index.html", None),
+
+    # Documentation included in wheel
+    # Correct DATA_FILES entry is needed in setup.py and documentation has to be built
+    # before the wheel is created.
+    ("{}/help/orange3-text/index.html".format(sysconfig.get_path("data")), None),
 
     # Online documentation url, used when the local documentation is available.
     # Url should point to a page with a section Widgets. This section should
     # includes links to documentation pages of each widget. Matching is
     # performed by comparing link caption to widget name.
-    ("https://orange3-text.readthedocs.io/en/latest/", "")
-)
\ No newline at end of file
+    ("https://orange3-text.readthedocs.io/en/latest/", ""),
+)
diff --git a/setup.py b/setup.py
index cfce3bbbe..46228e3fd 100644
--- a/setup.py
+++ b/setup.py
@@ -148,7 +148,25 @@ def temp_test_suite():
     return TestSuite([])
 
 
-if __name__ == '__main__':
+DATA_FILES = []
+
+
+def include_documentation(local_dir, install_dir):
+    global DATA_FILES
+
+    doc_files = []
+    for dirpath, _, files in os.walk(local_dir):
+        doc_files.append(
+            (
+                dirpath.replace(local_dir, install_dir),
+                [os.path.join(dirpath, f) for f in files],
+            )
+        )
+    DATA_FILES.extend(doc_files)
+
+
+if __name__ == "__main__":
+    include_documentation("doc/_build/html", "help/orange3-text")
     write_version_py()
     setup(
         name=NAME,
@@ -163,12 +181,14 @@ def temp_test_suite():
         packages=find_packages(),
         include_package_data=True,
         install_requires=INSTALL_REQUIRES,
+        data_files=DATA_FILES,
         entry_points=ENTRY_POINTS,
         keywords=KEYWORDS,
         namespace_packages=['orangecontrib'],
         zip_safe=False,
         test_suite="setup.temp_test_suite",
         extras_require={
-            'test': ['coverage']
-            },
+            'test': ['coverage'],
+            'doc': ['sphinx', 'recommonmark', 'sphinx_rtd_theme'],
+        },
     )