diff --git a/Documentation/Cookbook/rst/Installation_Linux.txt b/Documentation/Cookbook/rst/Installation_Linux.txt
index f8b0dd652b72b8b57dd58982af4bdaea3030eaf5..a236e906a5417653c12333a5967c9b6026d120f0 100644
--- a/Documentation/Cookbook/rst/Installation_Linux.txt
+++ b/Documentation/Cookbook/rst/Installation_Linux.txt
@@ -39,8 +39,8 @@ archive is extracted, the directory structure consists of:
 -  ``share``: A folder containing common resources and copyright
    mentions.
 
--  ``tool``: A folder containing usefull scripts to test the installation or
-   to uninstall OTB libraries and headers while keeping all the depedencies.
+-  ``tool``: A folder containing useful scripts to test the installation or
+   to uninstall OTB libraries and headers while keeping all the dependencies.
 
 The applications can be launched from the Mapla launcher. If you want to
 use the otbcli and otbgui launchers, you can initialize your environment
diff --git a/Documentation/Cookbook/rst/Installation_Macx.txt b/Documentation/Cookbook/rst/Installation_Macx.txt
index 1d227e256ed025b774f8b18cd63281e0df6ac6e2..961e6b1b75e4d888fd77dfa9ad2063d1d26edbc1 100644
--- a/Documentation/Cookbook/rst/Installation_Macx.txt
+++ b/Documentation/Cookbook/rst/Installation_Macx.txt
@@ -28,8 +28,8 @@ Contents of OTB-|release|-Darwin64 is briefly listed below:
 -  ``share``: A folder containing common resources and copyright
    mentions.
 
--  ``tool``: A folder containing usefull scripts to test the installation or
-   to uninstall OTB libraries and headers while keeping all the depedencies.
+-  ``tool``: A folder containing useful scripts to test the installation or
+   to uninstall OTB libraries and headers while keeping all the dependencies.
 
 The applications can be launched from the Mapla launcher. If you want to
 use the otbcli and otbgui launchers, you can initialize your environment
diff --git a/Documentation/Cookbook/rst/Installation_Windows.txt b/Documentation/Cookbook/rst/Installation_Windows.txt
index 24b3a0c92c3bc58b8a86c9fec163002dcf318076..ab1fe763871fd23ad73b7df855e8b6db3925895c 100644
--- a/Documentation/Cookbook/rst/Installation_Windows.txt
+++ b/Documentation/Cookbook/rst/Installation_Windows.txt
@@ -21,8 +21,8 @@ and their launchers (both command line and graphical launchers are provided):
 -  ``include``: A folder containing all the necessary headers to compile OTB
    based projects.
 
--  ``tool``: A folder containing usefull scripts to test the installation or
-   to uninstall OTB libraries and headers while keeping all the depedencies.
+-  ``tool``: A folder containing useful scripts to test the installation or
+   to uninstall OTB libraries and headers while keeping all the dependencies.
 
 The applications can be launched from the Mapla launcher. If you want to
 use the otbcli and otbgui launchers, you can initialize a command prompt
diff --git a/Documentation/Cookbook/rst/recipes/contrast_enhancement.rst b/Documentation/Cookbook/rst/recipes/contrast_enhancement.rst
index 79273a1b8dad1225cf2e6628664cae3250c5bcd2..ab2a9a98170936d720cec4daf7a6c913c8ae9d6c 100644
--- a/Documentation/Cookbook/rst/recipes/contrast_enhancement.rst
+++ b/Documentation/Cookbook/rst/recipes/contrast_enhancement.rst
@@ -41,7 +41,7 @@ You can apply this transformation with the *ContrastEnhancement* application:
                                -out output_image.tif
                                -spatial global
 
-It allows to compress the dynamic without loosing details and contrast.
+It allows to compress the dynamic without losing details and contrast.
 
 Advanced parameters
 ~~~~~~~~~~~~~~~~~~~
diff --git a/Modules/Applications/AppFiltering/app/otbContrastEnhancement.cxx b/Modules/Applications/AppFiltering/app/otbContrastEnhancement.cxx
index 16e518a278b56373e958ed974aab6dd2508103c1..3c55bf6efaa3da250f6c0286c1dc1f7cb6e69045 100644
--- a/Modules/Applications/AppFiltering/app/otbContrastEnhancement.cxx
+++ b/Modules/Applications/AppFiltering/app/otbContrastEnhancement.cxx
@@ -151,7 +151,7 @@ private:
 		SetName("ContrastEnhancement");
     SetDescription("This application is the implementation of the histogram "
       "equalization algorithm. It can be used to enhance contrast in an image "
-      "or to reduce the dynamic of th image without loosing too much contrast. "
+      "or to reduce the dynamic of the image without losing too much contrast. "
       "It offers several options as a no data value, "
       "a contrast limitation factor, a local version of the algorithm and "
       "also a mode to equalized the luminance of the image.");
@@ -704,7 +704,7 @@ private:
   void ComputeLuminance( const FloatVectorImageType::Pointer inImage ,
                          std::vector < unsigned int > rgb )
   {
-    // Retreive coeffs for each channel
+    // Retrieve coeffs for each channel
     std::vector < float > lumCoef( 3 , 0.0 );
     lumCoef[0] = GetParameterFloat("mode.lum.red.coef");
     lumCoef[1] = GetParameterFloat("mode.lum.green.coef");
@@ -828,7 +828,7 @@ private:
       }
   }
 
-  // Threshold function that is normaly done in ComputeHistoFilter  and here is
+  // Threshold function that is normally done in ComputeHistoFilter  and here is
   // used on the output of HistoPersistentFilterType.
   void Threshold( HistoPersistentFilterType::HistogramListType * histoList ,
                   unsigned int nbBin )
diff --git a/Modules/Applications/AppHyperspectral/app/otbVertexComponentAnalysis.cxx b/Modules/Applications/AppHyperspectral/app/otbVertexComponentAnalysis.cxx
index 68c99058b4ea89e0ab2bdd1c1dd399f971708c39..c3b04df6a957230444db0dfb6a5c1eb8f3961587 100644
--- a/Modules/Applications/AppHyperspectral/app/otbVertexComponentAnalysis.cxx
+++ b/Modules/Applications/AppHyperspectral/app/otbVertexComponentAnalysis.cxx
@@ -51,7 +51,7 @@ private:
   {
     SetName("VertexComponentAnalysis");
     SetDescription("Given a set of mixed spectral vectors, estimate"
-    "reference subtances also known as endmembers using the Vertex"
+    "reference substances also known as endmembers using the Vertex"
     "Component Analysis algorithm.");
 
     // Documentation
@@ -59,7 +59,7 @@ private:
     SetDocLongDescription("Apply the Vertex Component Analysis [1] to"
     "an hyperspectral image to extract endmembers. Given a set of mixed"
     "spectral vectors (multispectral or hyperspectral), the application"
-    "estimates the spectral signature of reference subtances also known"
+    "estimates the spectral signature of reference substances also known"
     "as endmembers.");
     SetDocLimitations("None");
     SetDocAuthors("OTB-Team");
diff --git a/Modules/Applications/AppStereo/app/otbStereoRectificationGridGenerator.cxx b/Modules/Applications/AppStereo/app/otbStereoRectificationGridGenerator.cxx
index 111dea621f106dfc47f36a4b3e3319b81ce1e0d3..616594a6bb40d025e53535a344b3e4fadea294e0 100644
--- a/Modules/Applications/AppStereo/app/otbStereoRectificationGridGenerator.cxx
+++ b/Modules/Applications/AppStereo/app/otbStereoRectificationGridGenerator.cxx
@@ -115,7 +115,7 @@ private:
       " geometry.\n\n"
       "There are several ways to set the elevation source:\n"
       "  * An arbitrary constant elevation\n"
-      "  * A DEM directoy\n"
+      "  * A DEM directory\n"
       "  * Compute an average elevation from a DEM\n\n"
       "If needed, the application can compute inverse resampling grids (from "
       "epipolar to original sensor geometry). Don't forget to check the other "
diff --git a/Modules/Applications/AppVectorUtils/app/otbVectorDataTransform.cxx b/Modules/Applications/AppVectorUtils/app/otbVectorDataTransform.cxx
index 566ca5a34d305d7731a3df7567fc0d4f3d95ee9a..be163190893c063b32711abab1f45f8c77e67d13 100644
--- a/Modules/Applications/AppVectorUtils/app/otbVectorDataTransform.cxx
+++ b/Modules/Applications/AppVectorUtils/app/otbVectorDataTransform.cxx
@@ -89,7 +89,7 @@ private:
 
     AddParameter(ParameterType_InputImage, "in", "Support image");
     SetParameterDescription("in","Image defining the reference coordinate "
-      "system in which the tranform is applied. Both projected and sensor "
+      "system in which the transform is applied. Both projected and sensor "
       "images are supported.");
 
     // Transform Group
diff --git a/Modules/Filtering/Contrast/include/otbComputeGainLutFilter.h b/Modules/Filtering/Contrast/include/otbComputeGainLutFilter.h
index 431b6f1f0f5f55d0bc5c403a1df86e8f5f26e255..5a4c088dbc517565006fbc0c33492c8b9ebfdacd 100644
--- a/Modules/Filtering/Contrast/include/otbComputeGainLutFilter.h
+++ b/Modules/Filtering/Contrast/include/otbComputeGainLutFilter.h
@@ -107,7 +107,7 @@ private:
                      HistoType & targetHisto ) ;
   //TODO Give the opportunity to choose the histogram target
   
-  /** Check whether the input histogram has enought pixel to be meaningful */
+  /** Check whether the input histogram has enough pixel to be meaningful */
   bool IsValid(const HistoType & inputHisto ) ;
 
   double m_Min;
diff --git a/Modules/Learning/LearningBase/include/otbMachineLearningModel.txx b/Modules/Learning/LearningBase/include/otbMachineLearningModel.txx
index 678974e9d4f23525783842b860548dfc8b5ad4a9..00da0413879e83f013cf98053413e81dbcac0193 100644
--- a/Modules/Learning/LearningBase/include/otbMachineLearningModel.txx
+++ b/Modules/Learning/LearningBase/include/otbMachineLearningModel.txx
@@ -109,7 +109,7 @@ MachineLearningModel<TInputValue,TOutputValue,TConfidenceValue>
     nb_threads = omp_get_num_threads();
     threadId = omp_get_thread_num();
     nb_batches = std::min(nb_threads,(unsigned int)input->Size());
-    // Ensure that we do not spawn unncessary threads
+    // Ensure that we do not spawn unnecessary threads
     if(threadId<nb_batches)
       {
       unsigned int batch_size = ((unsigned int)input->Size()/nb_batches);
diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 1f7046b54e1b88e5a70ab7d4afe033b84f40a0bf..438e6ae1bb8b6ed12c01920fa2a150cd52e9dac4 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -46,7 +46,7 @@ OTB-v.6.2.0 - Changes since version 6.0.0 (October 26th, 2017)
     * 0001460: Unable to compile OTB  6.2.0 RC1 with superbuild (CURL issue)
 
   * Orfeo Toolbox (OTB)
-    * 0001453: Applications crash with inxml paramter (GUI mode)
+    * 0001453: Applications crash with inxml parameter (GUI mode)
     * 0001405: Crash on optical calibration, TOC mode, GUI only (command line works), only on Mac
     * 0001422: Optical Calibration application crash on MacOSX
     * 0001401: ktrace reports too many file open for any otbapplication