diff --git a/resources/function_help/text/* b/resources/function_help/text/*
new file mode 100644
index 00000000000..2ab40e4a9c4
--- /dev/null
+++ b/resources/function_help/text/*
@@ -0,0 +1,13 @@
+<h3>* multiplication operator</h3>
+<p>Multiplication of two values</p>
+<p>If one of the values is NULL the result will be NULL.</p>
+
+<h4>Syntax</h4>
+<pre> value1 * value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 * 4 &rarr; 20 </pre>
+<pre> 5 * NULL &rarr; NULL </pre>
diff --git a/resources/function_help/text/+ b/resources/function_help/text/+
new file mode 100644
index 00000000000..ab0511b2dbf
--- /dev/null
+++ b/resources/function_help/text/+
@@ -0,0 +1,13 @@
+<h3>+ addition operator</h3>
+<p>Addition of two values</p>
+<p>If one of the values is NULL the result will be NULL.</p>
+
+<h4>Syntax</h4>
+<pre> value1 + value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 + 4 &rarr; 9 </pre>
+<pre> 5 + NULL &rarr; NULL </pre>
diff --git a/resources/function_help/text/- b/resources/function_help/text/-
new file mode 100644
index 00000000000..c6d0ba2d393
--- /dev/null
+++ b/resources/function_help/text/-
@@ -0,0 +1,13 @@
+<h3>- subtract operator</h3>
+<p>Subtraction of two values</p>
+<p>If one of the values is NULL the result will be NULL.</p>
+
+<h4>Syntax</h4>
+<pre> value1 - value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 - 4 &rarr; 1 </pre>
+<pre> 5 - NULL &rarr; NULL </pre>
diff --git a/resources/function_help/text/< b/resources/function_help/text/<
new file mode 100644
index 00000000000..a85a3221f30
--- /dev/null
+++ b/resources/function_help/text/<
@@ -0,0 +1,13 @@
+<h3>&lt; Less than operator</h3>
+<p>Compares two values and evaluates to 1 if the left value is less than the right value</p>
+
+<h4>Syntax</h4>
+<pre> value1 &lt; value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 &lt; 4 &rarr; 0 </pre>
+<pre> 5 &lt; 5 &rarr; 0 </pre>
+<pre> 4 &lt; 5 &rarr; 1 </pre>
diff --git a/resources/function_help/text/<= b/resources/function_help/text/<=
new file mode 100644
index 00000000000..f9ddb0cf329
--- /dev/null
+++ b/resources/function_help/text/<=
@@ -0,0 +1,13 @@
+<h3>&lt;= Less than or equal operator</h3>
+<p>Compares two values and evaluates to 1 if the left value is less than or equal to the right value</p>
+
+<h4>Syntax</h4>
+<pre> value1 &lt;= value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 &lt;= 4 &rarr; 0 </pre>
+<pre> 5 &lt;= 5 &rarr; 1 </pre>
+<pre> 4 &lt;= 5 &rarr; 1 </pre>
diff --git a/resources/function_help/text/<> b/resources/function_help/text/<>
new file mode 100644
index 00000000000..24f6f3d8fc9
--- /dev/null
+++ b/resources/function_help/text/<>
@@ -0,0 +1,14 @@
+<h3>&lt;&gt; Unequal operator</h3>
+<p>Compares two values and evaluates to 1 if they are not equal.</p>
+
+<h4>Syntax</h4>
+<pre> value1 &lt;&gt; value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 &lt;&gt; 4 &rarr; 1 </pre>
+<pre> 4 &lt;&gt; 4 &rarr; 0 </pre>
+<pre> 5 &lt;&gt; NULL &rarr; NULL </pre>
+<pre> NULL &lt;&gt; NULL &rarr; NULL </pre>
diff --git a/resources/function_help/text/> b/resources/function_help/text/>
new file mode 100644
index 00000000000..d76fc0bbe0e
--- /dev/null
+++ b/resources/function_help/text/>
@@ -0,0 +1,13 @@
+<h3>&gt; Greater than operator</h3>
+<p>Compares two values and evaluates to 1 if the left value is greater than the right value</p>
+
+<h4>Syntax</h4>
+<pre> value1 &gt; value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 &gt; 4 &rarr; 1 </pre>
+<pre> 5 &gt; 5 &rarr; 0 </pre>
+<pre> 4 &gt; 5 &rarr; 0 </pre>
diff --git a/resources/function_help/text/>= b/resources/function_help/text/>=
new file mode 100644
index 00000000000..29e83a7578d
--- /dev/null
+++ b/resources/function_help/text/>=
@@ -0,0 +1,13 @@
+<h3>&gt;= Greater or equal operator</h3>
+<p>Compares two values and evaluates to 1 if the left value is greater than or equal to the right value</p>
+
+<h4>Syntax</h4>
+<pre> value1 &gt;= value2 </pre>
+
+<h4>Arguments</h4>
+None
+
+<h4>Examples</h4>
+<pre> 5 &gt;= 4 &rarr; 1 </pre>
+<pre> 5 &gt;= 5 &rarr; 1 </pre>
+<pre> 4 &gt;= 5 &rarr; 0 </pre>
diff --git a/src/gui/qgsexpressionbuilderwidget.cpp b/src/gui/qgsexpressionbuilderwidget.cpp
index 1f3d5a8689c..70d36315c11 100644
--- a/src/gui/qgsexpressionbuilderwidget.cpp
+++ b/src/gui/qgsexpressionbuilderwidget.cpp
@@ -428,18 +428,18 @@ void QgsExpressionBuilderWidget::updateFunctionTree()
   mModel->clear();
   mExpressionGroups.clear();
   // TODO Can we move this stuff to QgsExpression, like the functions?
-  registerItem( "Operators", "+", " + ", tr( "Addition operator" ) );
-  registerItem( "Operators", "-", " - ", tr( "Subtraction operator" ) );
-  registerItem( "Operators", "*", " * ", tr( "Multiplication operator" ) );
+  registerItem( "Operators", "+", " + " );
+  registerItem( "Operators", "-", " - " );
+  registerItem( "Operators", "*", " * " );
   registerItem( "Operators", "/", " / ", tr( "Division operator" ) );
   registerItem( "Operators", "%", " % ", tr( "Modulo operator" ) );
   registerItem( "Operators", "^", " ^ ", tr( "Power operator" ) );
   registerItem( "Operators", "=", " = ", tr( "Equal operator" ) );
-  registerItem( "Operators", ">", " > ", tr( "Greater as operator" ) );
-  registerItem( "Operators", "<", " < ", tr( "Less than operator" ) );
+  registerItem( "Operators", ">", " > " );
+  registerItem( "Operators", "<", " < " );
   registerItem( "Operators", "<>", " <> ", tr( "Unequal operator" ) );
-  registerItem( "Operators", "<=", " <= ", tr( "Less or equal operator" ) );
-  registerItem( "Operators", ">=", " >= ", tr( "Greater or equal operator" ) );
+  registerItem( "Operators", "<=", " <= " );
+  registerItem( "Operators", ">=", " >= " );
   registerItem( "Operators", "||", " || " );
   registerItem( "Operators", "IN", " IN " );
   registerItem( "Operators", "LIKE", " LIKE " );