Minor documentation improvements/fixes

website/site/content/docs/intro/_index.md

@@ -95,7 +95,7 @@ data* associated:
   `bill`, `contract`, `receipt` etc. Usually an item is not tagged
   with more than one tag of a category.
 - a *folder*: a folder is similiar to a tag, but an item can only be
-  in exactly one folder (or none). Furhtermore folders allow to
+  in exactly one folder (or none). Furthermore folders allow to
   associate users, so that items are only visible to the users who are
   members of a folder.
 - an *item date*: this is the date of the document – if this is not

website/site/content/docs/tools/convert-all-pdf.md

@@ -20,6 +20,11 @@ your collective.
 There is no UI part to trigger this route, so you need to use curl or
 the script `convert-all-pdfs.sh` in the `tools/` directory.
 
+# Requirements
+
+It is a bash script that additionally needs
+[curl](https://curl.haxx.se/) and
+[jq](https://stedolan.github.io/jq/).
 
 # Usage
 

website/site/content/docs/webapp/finding.md

@@ -134,7 +134,7 @@ restrict the results using full text search with the *content* field.
 {% infobubble(mode="warning", title="Please note") %}
 This field is intended to be used in conjunction with other fields in
 the search menu. It *may be really slow* if used alone, since first
-the database query is executed and its results are furhter constrained
+the database query is executed and its results are further constrained
 by fulltext search.
 
 Use the search-bar with option *Contents Only* to do quick fulltext