diff --git a/FiberStippleToolbox/src/fiberStipples/WMFiberStipples.cpp b/FiberStippleToolbox/src/fiberStipples/WMFiberStipples.cpp
index 52e240a6b664284a05ac3a2a9fdc0e9c27ecb62b..de6389bf1b00a666eb82602022362f294ffb6207 100644
--- a/FiberStippleToolbox/src/fiberStipples/WMFiberStipples.cpp
+++ b/FiberStippleToolbox/src/fiberStipples/WMFiberStipples.cpp
@@ -138,11 +138,11 @@ void WMFiberStipples::properties()
     m_numSamples->setMax( 100000 );
 
     m_samplingMethods = boost::shared_ptr< WItemSelection >( new WItemSelection() );
-    m_samplingMethods->addItem( SamplingMethod::create( 0, "Poission", "Poission-Disk Sampling" ) );
+    m_samplingMethods->addItem( SamplingMethod::create( 0, "Poisson", "Poisson-Disk Sampling" ) );
     m_samplingMethods->addItem( SamplingMethod::create( 1, "Stratified", "Stratified (Uniform-Cell) Sampling" ) );
     m_samplingMethods->addItem( SamplingMethod::create( 2, "Uniform", "Uniform (Slice) Sampling" ) );
     m_samplingMethods->addItem( SamplingMethod::create( 3, "Regular", "Regular Sampling" ) );
-    m_samplingSelection = m_properties->addProperty( "Sampling Method", "Which placement strategy. We suggest Poission-Disk!", m_samplingMethods->getSelector( 0 ), m_propCondition );
+    m_samplingSelection = m_properties->addProperty( "Sampling Method", "Which placement strategy. We suggest Poisson-Disk!", m_samplingMethods->getSelector( 0 ), m_propCondition );
     WPropertyHelper::PC_SELECTONLYONE::addTo( m_samplingSelection );
 
     m_outline = m_properties->addProperty( "Outline", "Stipple Outline Y|N", true );
@@ -159,7 +159,7 @@ void WMFiberStipples::properties()
 
     m_outlineInOut = m_properties->addProperty( "In-Out Outline", "In/out-side of Stipple", true );
 
-    m_sampleRes = m_properties->addProperty( "PoissionRes", "Poission Sampling Resolution", 0.02, m_propCondition );
+    m_sampleRes = m_properties->addProperty( "PoissonRes", "Poisson Sampling Resolution", 0.02, m_propCondition );
     m_sampleRes->setMin( 0.0001 );
     m_sampleRes->setMax( 0.2 );
 
@@ -426,7 +426,7 @@ void WMFiberStipples::moduleMain()
 
             if( m_sampleRes->changed() )
             {
-                debugLog() << "New poission sampling resolution";
+                debugLog() << "New poisson sampling resolution";
                 if( boost::filesystem::path( "/" ) != boost::filesystem::path( m_stippleFileName ) && boost::filesystem::exists( m_stippleFileName ) && boost::filesystem::is_regular_file( m_stippleFileName ) )
                     boost::filesystem::remove( m_stippleFileName );
             }