diff --git a/Doc/Sd1/statements.xml b/Doc/Sd1/statements.xml
index 2e6a98460d1313ff4b416059a47a0ca8c74858cc..48ad1f16d56886d1228084441e1c2fe9155a823b 100644
--- a/Doc/Sd1/statements.xml
+++ b/Doc/Sd1/statements.xml
@@ -153,7 +153,7 @@
   </figure>
 
   <section xml:id="sd1_sect_statements_if">
-    <title>The if statement</title>
+    <title>The if conditional statement</title>
 
     <figure xml:id="sd1_fig_if">
       <title><code>if</code> ... <code>else</code> for block selection</title>
@@ -900,9 +900,13 @@ Decimal value 11 not yet implemented</screen>
   }
 }</programlisting>
     </figure>
+  </section>
+
+  <section xml:id="sd1_sect_switch">
+    <title>The <code>switch</code> statement</title>
 
     <figure xml:id="sd1_fig_switch">
-      <title>Better: The <code>switch</code> statement</title>
+      <title>Better: Using <code>switch</code></title>
 
       <programlisting language="java">...
 switch(number) {
@@ -1293,6 +1297,118 @@ Midweek</screen>
     </qandaset>
   </section>
 
+  <section xml:id="sd1_sect_loops">
+    <title><code>while</code>, <code>do ... while</code> and <code>for</code> loops</title>
+
+    <figure xml:id="sd1_fig_loopWhy">
+      <title>Why loops?</title>
+
+      <glosslist>
+        <glossentry>
+          <glossterm>Objective</glossterm>
+
+          <glossdef>
+            <para>Execute the same code multiple times.</para>
+          </glossdef>
+        </glossentry>
+
+        <glossentry>
+          <glossterm>Solution</glossterm>
+
+          <glossdef>
+            <para>Copy / paste the code in question:</para>
+
+            <programlisting language="java">System.out.println("Do not copy!");
+System.out.println("Do not copy!");
+System.out.println("Do not copy!");
+System.out.println("Do not copy!");</programlisting>
+          </glossdef>
+        </glossentry>
+
+        <glossentry>
+          <glossterm>Problem</glossterm>
+
+          <glossdef>
+            <para>Only works if number of repetitions is known at compile time.</para>
+          </glossdef>
+        </glossentry>
+      </glosslist>
+    </figure>
+
+    <figure xml:id="sd1_fig_loopBadParameterization">
+      <title>Hard to parameterize</title>
+
+      <para>Limited workaround for repetition count given at runtime:</para>
+
+      <programlisting language="java">int repetitions;
+
+repetitions = 3; // value dynamically set
+
+switch(repetitions) {
+    case 5: System.out.println("Do not copy!");
+    case 4: System.out.println("Do not copy!");
+    case 3: System.out.println("Do not copy!");
+    case 2: System.out.println("Do not copy!");
+    case 1: System.out.println("Do not copy!");
+}</programlisting>
+
+      <para>Problem: Clumsy and limited (five lines of output max.)</para>
+    </figure>
+
+    <figure xml:id="sd1_fig_loopParamSolution">
+      <title>A <code>while</code> loop</title>
+
+      <programlisting language="java">int repetitions = 3; <co linkends="sd1_callout_whileLoop-1" xml:id="sd1_callout_whileLoop-1-co"/>
+int loopCounter = 1; <co linkends="sd1_callout_whileLoop-2" xml:id="sd1_callout_whileLoop-2-co"/>
+
+while (loopCounter &lt;= repetitions <co linkends="sd1_callout_whileLoop-3" xml:id="sd1_callout_whileLoop-3-co"/>) {
+   System.out.println("Do not copy!"); <co linkends="sd1_callout_whileLoop-4" xml:id="sd1_callout_whileLoop-4-co"/>
+   loopCounter++; <co linkends="sd1_callout_whileLoop-5" xml:id="sd1_callout_whileLoop-5-co"/>
+}</programlisting>
+
+      <screen>Do not copy!
+Do not copy!
+Do not copy!</screen>
+    </figure>
+
+    <calloutlist>
+      <callout arearefs="sd1_callout_whileLoop-1-co" xml:id="sd1_callout_whileLoop-1">
+        <para>Will be repeated this number of times</para>
+      </callout>
+
+      <callout arearefs="sd1_callout_whileLoop-2-co" xml:id="sd1_callout_whileLoop-2">
+        <para>Helper variable keeping track of repetitions</para>
+      </callout>
+
+      <callout arearefs="sd1_callout_whileLoop-3-co" xml:id="sd1_callout_whileLoop-3">
+        <para>Condition to be checked before each new execution.</para>
+      </callout>
+
+      <callout arearefs="sd1_callout_whileLoop-4-co" xml:id="sd1_callout_whileLoop-4">
+        <para>Statement(s) to be repeated.</para>
+      </callout>
+
+      <callout arearefs="sd1_callout_whileLoop-5-co" xml:id="sd1_callout_whileLoop-5">
+        <para>Increment helper variable each iteration.</para>
+      </callout>
+    </calloutlist>
+
+    <figure xml:id="sd1_fig_loopParamSolutionSyntaxSugar">
+      <title>Combining increment and termination condition</title>
+
+      <programlisting language="java">int repetitions = 3;
+int loopCounter = 1;
+
+while (loopCounter++ &lt;= repetitions) {
+   System.out.println("Do not copy!");
+}</programlisting>
+
+      <screen>Do not copy!
+Do not copy!
+Do not copy!</screen>
+    </figure>
+  </section>
+
   <section xml:id="ex">
     <title>Exercises</title>
 
@@ -1467,7 +1583,7 @@ Midweek</screen>
           <qandadiv>
             <qandaentry>
               <question>
-                <para>Producing the following ASCII art for configurable Xmas tree sizes is a bit more challenging :</para>
+                <para>Producing the following ASCII art for configurable Xmas tree sizes is more challenging :</para>
 
                 <screen>            \ /
           --&gt;*&lt;--
@@ -1529,7 +1645,7 @@ Midweek</screen>
       System.out.println("--&gt;*&lt;--");                    // "--&gt;*&lt;--" string.
       
       for (int x = 0; x &lt; numberOfRowGroups + 1; x++) { // The tree's lower top "/ \".
-         System.out.print(' ');                         // We need numberOfRows+1
+         System.out.print(' ');                         // We need again numberOfRows+1
       }                                                 // preceding spaces.
       System.out.println("/_\\");
 
@@ -1575,7 +1691,7 @@ Midweek</screen>
 
                 <para>So far we have not yet introduced methods. In anticipation of upcoming lessons we provide an alternate solution by introducing a method <methodname>printIndented(...)</methodname> which prints a string being indented by a given number of whitespace characters. The System.out.format(...) method will be explained in <xref linkend="sw1SectSquareNumbersFormatted"/>.</para>
 
-                <para>This effectively makes our code more readable:</para>
+                <para>This enhances our code's readability:</para>
 
                 <programlisting language="java">public class XmasTree {
 
@@ -1639,8 +1755,7 @@ Midweek</screen>
       //
       printIndent (numberOfRowGroups, "[___]");      // Indenting the bottom trunk ...
    }
-}
-</programlisting>
+}</programlisting>
               </answer>
             </qandaentry>
           </qandadiv>