documentation: fix a broken link, typos

docs/admin/Advanced-Installations.md

@@ -36,16 +36,15 @@ which has the following structure:
 
 ```bash
 update
-    ├── europe
-    │   ├── andorra
-    │   │   └── sequence.state
-    │   └── monaco
-    │       └── sequence.state
-    └── tmp
-        └── europe
-                ├── andorra-latest.osm.pbf
-                └── monaco-latest.osm.pbf
-
+ ├── europe
+ │    ├── andorra
+ │    │    └── sequence.state
+ │    └── monaco
+ │         └── sequence.state
+ └── tmp
+      └── europe
+           ├── andorra-latest.osm.pbf
+           └── monaco-latest.osm.pbf
 
 ```
 
@@ -99,7 +98,7 @@ Change into the project directory and run the following command:
 
 This will get diffs from the replication server, import diffs and index
 the database. The default replication server in the
-script([Geofabrik](https://download.geofabrik.de)) provides daily updates.
+script ([Geofabrik](https://download.geofabrik.de)) provides daily updates.
 
 ## Using an external PostgreSQL database
 

docs/admin/Deployment-PHP.md

@@ -8,7 +8,7 @@ PHP scripts.
 This section gives a quick overview on how to configure Apache and Nginx to
 serve Nominatim. It is not meant as a full system administration guide on how
 to run a web service. Please refer to the documentation of
-[Apache](http://httpd.apache.org/docs/current/) and
+[Apache](https://httpd.apache.org/docs/current/) and
 [Nginx](https://nginx.org/en/docs/)
 for background information on configuring the services.
 

docs/admin/Deployment-Python.md

@@ -24,8 +24,8 @@ to configure it.
 ### Installing the required packages
 
 The recommended way to deploy a Python ASGI application is to run
-the ASGI runner (uvicorn)[https://uvicorn.org/]
-together with (gunicorn)[https://gunicorn.org/] HTTP server. We use
+the ASGI runner [uvicorn](https://uvicorn.org/)
+together with [gunicorn](https://gunicorn.org/) HTTP server. We use
 Falcon here as the web framework.
 
 Create a virtual environment for the Python packages and install the necessary
@@ -34,7 +34,7 @@ dependencies:
 ``` sh
 sudo apt install virtualenv
 virtualenv /srv/nominatim-venv
-/srv/nominatim-venv/bin/pip install SQLAlchemy PyICU psycopg[binary]\
+/srv/nominatim-venv/bin/pip install SQLAlchemy PyICU psycopg[binary] \
    psycopg2-binary python-dotenv PyYAML falcon uvicorn gunicorn
 ```
 

docs/admin/Installation.md

@@ -56,6 +56,7 @@ For running Nominatim:
   * [datrie](https://github.com/pytries/datrie)
 
 When running the PHP frontend:
+
   * [PHP](https://php.net) (7.3+)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)

docs/admin/Migration.md

@@ -27,7 +27,7 @@ therefore either remove traffic from the machine before attempting a
 version update or create the index manually **before** starting the update
 using the following SQL:
 
-```
+```sql
 CREATE INDEX IF NOT EXISTS idx_placex_geometry_reverse_lookupPlaceNode
   ON placex USING gist (ST_Buffer(geometry, reverse_place_diameter(rank_search)))
   WHERE rank_address between 4 and 25 AND type != 'postcode'