Improved tutorial and introduced translation by Susanne

Change-Id: I2a509418cb4c601bd8e61708ae155b28548be55a
diff --git a/templates/doc/ql/poliqarp-plus.html.ep b/templates/doc/ql/poliqarp-plus.html.ep
index 4a6eea5..9ec9dea 100644
--- a/templates/doc/ql/poliqarp-plus.html.ep
+++ b/templates/doc/ql/poliqarp-plus.html.ep
@@ -20,7 +20,7 @@
 
   %= doc_query poliqarp => 'laufen/i'
 
-  <p>The query above will find all occurrences of <code>laufen</code> irrespective of the capitalization of letters, so <code>wir laufen</code> will be find as well as <code>das Laufen</code> and even <code>&quot;GEH LAUFEN!&quot;</code>.
+  <p>The query above will find all occurrences of <code>laufen</code> irrespective of the capitalization of letters, so <code>wir laufen</code> will be found as well as <code>das Laufen</code> and even <code>&quot;GEH LAUFEN!&quot;</code>.</p>
 
   <h4 id="regexp">Regular Expressions</h4>
 
@@ -28,7 +28,7 @@
 
   %= doc_query poliqarp => '"l(au|ie)fen"'
 
-  <p>Regular expression segments will always match the whole segment, meaning the above query will find words starting with <code>l</code> and ending with <code>n</code>. To support subqueries, you can use the <code>/x</code> flag.
+  <p>Regular expression segments will always match the whole segment, meaning the above query will find words starting with <code>l</code> and ending with <code>n</code>. To support subqueries, you can use the <code>/x</code> flag.</p>
 
     %= doc_query poliqarp => '"l(au|ie)fen"/x', cutoff => 1
 
@@ -80,12 +80,12 @@
   %= doc_query poliqarp => '[pos=ADJA]'
 
   <p>Complex segments requesting further token annotations can have keys following the <code>foundry/layer</code> notation.
-    For example to find all occurrences of plural words in the mate foundry, you can search using the following query:</p>
+    For example to find all occurrences of plural words in the <code>mate</code> foundry, you can search using the following query:</p>
 
   %= doc_query poliqarp => '[mate/m=number:pl]'
 
   <h4>Negation</h4>
-  <p>Negation of terms in complex expressions can be expressed by prepending the equal sign with an exclamation mark or by prepending the expression with one.</p>
+  <p>Negation of terms in complex expressions can be expressed by prepending the equal sign or the whole expression with an exclamation mark.</p>
 
   %= doc_query poliqarp => '[pos!=ADJA]'
   %= doc_query poliqarp => '[!pos=ADJA]'