diff --git a/include/ICursorControl.h b/include/ICursorControl.h
index 044d6db1..27d4809c 100644
--- a/include/ICursorControl.h
+++ b/include/ICursorControl.h
@@ -26,7 +26,7 @@ namespace gui
 		ECI_HELP,	// Arrow and question mark
 		ECI_IBEAM,	// typical text-selection cursor
 		ECI_NO,		// should not click icon
-		ECI_WAIT,	// hourclass
+		ECI_WAIT,	// hourglass
 		ECI_SIZEALL,	// arrow in all directions
 		ECI_SIZENESW,	// resizes in direction north-east or south-west
 		ECI_SIZENWSE,	// resizes in direction north-west or south-east
diff --git a/include/ILogger.h b/include/ILogger.h
index 53f6273f..4b595b69 100644
--- a/include/ILogger.h
+++ b/include/ILogger.h
@@ -19,7 +19,7 @@ enum ELOG_LEVEL
 	//! Used for printing information helpful in debugging
 	ELL_DEBUG,
 
-	//! Useful information to print. For example hardware infos or something started/stopped.
+	//! Useful information to print. For example hardware info or something started/stopped.
 	ELL_INFORMATION,
 
 	//! Warnings that something isn't as expected and can cause oddities
diff --git a/include/ISceneManager.h b/include/ISceneManager.h
index 73ef5e76..cb3fbbab 100644
--- a/include/ISceneManager.h
+++ b/include/ISceneManager.h
@@ -509,7 +509,7 @@ namespace scene
 
 		//! Clear all nodes which are currently registered for rendering
 		/** Usually you don't have to care about this as drawAll will clear nodes
-		after rendering them. But sometimes you might have to manully reset this.
+		after rendering them. But sometimes you might have to manually reset this.
 		For example when you deleted nodes between registering and rendering. */
 		virtual void clearAllRegisteredNodesForRendering() = 0;
 
diff --git a/include/IVideoDriver.h b/include/IVideoDriver.h
index 717e85c7..48409de3 100644
--- a/include/IVideoDriver.h
+++ b/include/IVideoDriver.h
@@ -1047,7 +1047,7 @@ namespace video
 		E_MATERIAL_TYPE enum or a value which was returned by
 		addMaterialRenderer().
 		\return String with the name of the renderer, or 0 if not
-		exisiting */
+		existing */
 		virtual const c8* getMaterialRendererName(u32 idx) const =0;
 
 		//! Sets the name of a material renderer.
diff --git a/include/line2d.h b/include/line2d.h
index f010760a..e94b2d02 100644
--- a/include/line2d.h
+++ b/include/line2d.h
@@ -66,7 +66,7 @@ class line2d
 		vector2d<T> getVector() const { return vector2d<T>( end.X - start.X, end.Y - start.Y); }
 
 		/*! Check if this segment intersects another segment,
-			or if segments are coincindent (colinear). */
+			or if segments are coincident (colinear). */
 		bool intersectAsSegments( const line2d<T>& other) const
 		{
 			// Taken from:
@@ -83,7 +83,7 @@ class line2d
 			if (o1 != o2 && o3 != o4)
 				return true;
 
-			// Special Cases to check if segments are coolinear
+			// Special Cases to check if segments are colinear
 			if (o1 == 0 && other.start.isBetweenPoints( start, end)) return true;
 			if (o2 == 0 && other.end.isBetweenPoints( start, end)) return true;
 			if (o3 == 0 && start.isBetweenPoints( other.start, other.end)) return true;
diff --git a/include/vector2d.h b/include/vector2d.h
index 6736d67d..ab5e566a 100644
--- a/include/vector2d.h
+++ b/include/vector2d.h
@@ -143,7 +143,7 @@ public:
 	bool nearlyParallel( const vector2d<T> & other, const T factor = relativeErrorFactor<T>()) const
 	{
 		// https://eagergames.wordpress.com/2017/04/01/fast-parallel-lines-and-vectors-test/
-		// if a || b then  a.x/a.y = b.x/b.y (similiar triangles)
+		// if a || b then  a.x/a.y = b.x/b.y (similar triangles)
 		// if a || b then either both x are 0 or both y are 0.
 
 		return  equalsRelative( X*other.Y, other.X* Y, factor)