diff --git a/code/ColladaParser.cpp b/code/ColladaParser.cpp
index f65d244c2..b3a433fc3 100644
--- a/code/ColladaParser.cpp
+++ b/code/ColladaParser.cpp
@@ -848,7 +848,7 @@ void ColladaParser::ReadMaterialLibrary()
         {
             if( IsElement( "material"))
             {
-                // read ID. By now you propably know my opinion about this "specification"
+                // read ID. By now you probably know my opinion about this "specification"
                 int attrID = GetAttribute( "id");
                 std::string id = mReader->getAttributeValue( attrID);
 
@@ -906,7 +906,7 @@ void ColladaParser::ReadLightLibrary()
         if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
             if( IsElement( "light"))
             {
-                // read ID. By now you propably know my opinion about this "specification"
+                // read ID. By now you probably know my opinion about this "specification"
                 int attrID = GetAttribute( "id");
                 std::string id = mReader->getAttributeValue( attrID);
 
@@ -940,7 +940,7 @@ void ColladaParser::ReadCameraLibrary()
         if( mReader->getNodeType() == irr::io::EXN_ELEMENT) {
             if( IsElement( "camera"))
             {
-                // read ID. By now you propably know my opinion about this "specification"
+                // read ID. By now you probably know my opinion about this "specification"
                 int attrID = GetAttribute( "id");
                 std::string id = mReader->getAttributeValue( attrID);
 
@@ -1976,7 +1976,7 @@ void ColladaParser::ReadIndexData( Mesh* pMesh)
 
     ai_assert( primType != Prim_Invalid);
 
-    // also a number of <input> elements, but in addition a <p> primitive collection and propably index counts for all primitives
+    // also a number of <input> elements, but in addition a <p> primitive collection and probably index counts for all primitives
     while( mReader->read())
     {
         if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
diff --git a/doc/dox.h b/doc/dox.h
index aad0925bd..cd9214453 100644
--- a/doc/dox.h
+++ b/doc/dox.h
@@ -145,7 +145,7 @@ project dependencies. Link to <assimp_root>/lib/<config-name>/assimp.lib. config
 project configs. For static linking, use release/debug. See the sections below on this page for more information on the
 other build configs.
 If done correctly you should now be able to compile, link,
-run and use the application. If the linker complains about some integral functions being defined twice you propably have
+run and use the application. If the linker complains about some integral functions being defined twice you probably have
 mixed the runtimes. Recheck the project configuration (project properties -&gt; C++ -&gt; Code generation -&gt; Runtime) if you use
 static runtimes (Multithreaded / Multithreaded Debug) or dynamic runtimes (Multithreaded DLL / Multithreaded Debug DLL).
 Choose the assimp linker lib accordingly.
@@ -287,7 +287,7 @@ bool DoTheImportThing( const std::string& pFile)
 
   // And have it read the given file with some example postprocessing
   // Usually - if speed is not the most important aspect for you - you'll
-  // propably to request more postprocessing than we do in this example.
+  // probably to request more postprocessing than we do in this example.
   const aiScene* scene = importer.ReadFile( pFile,
 	aiProcess_CalcTangentSpace       |
 	aiProcess_Triangulate            |
diff --git a/include/assimp/Compiler/pushpack1.h b/include/assimp/Compiler/pushpack1.h
index e55202665..73973c50d 100644
--- a/include/assimp/Compiler/pushpack1.h
+++ b/include/assimp/Compiler/pushpack1.h
@@ -37,7 +37,7 @@
 
 #if defined(_MSC_VER)
 
-// C4103: Packing was changed after the inclusion of the header, propably missing #pragma pop
+// C4103: Packing was changed after the inclusion of the header, probably missing #pragma pop
 #	pragma warning (disable : 4103) 
 #endif