diff --git a/Core/include/Acts/Surfaces/CylinderSurface.hpp b/Core/include/Acts/Surfaces/CylinderSurface.hpp
index ecceeef482fe357399495b8fb12e724ffd87feac..36ededdc0ea31f6be79e059a3f5d46ba8efa0c68 100644
--- a/Core/include/Acts/Surfaces/CylinderSurface.hpp
+++ b/Core/include/Acts/Surfaces/CylinderSurface.hpp
@@ -191,7 +191,7 @@ class CylinderSurface : public Surface {
   /// @param gctx The current geometry context object, e.g. alignment
   /// @param position The global position as a starting point
   /// @param direction The global direction at starting point
-  ///        (@note expected to be normalise)
+  ///        (@note expected to be normalised)
   /// @param bcheck The boundary check presection
   ///
   /// @return is the closest intersection (fwd or bwd)
diff --git a/Core/include/Acts/Surfaces/DiscSurface.hpp b/Core/include/Acts/Surfaces/DiscSurface.hpp
index 292847ad08a549d2baff6540e880753129e65613..7e34d6715939f1aae3cf720c64b1d4232d59e54f 100644
--- a/Core/include/Acts/Surfaces/DiscSurface.hpp
+++ b/Core/include/Acts/Surfaces/DiscSurface.hpp
@@ -155,7 +155,7 @@ class DiscSurface : public Surface {
   /// transformation
   ///
   /// @param gctx The current geometry context object, e.g. alignment
-  /// @param lposition local 2D posittion in specialized surface frame
+  /// @param lposition local 2D position in specialized surface frame
   /// @param momentum global 3D momentum representation (optionally ignored)
   /// @param position global 3D position to be filled (given by reference for
   /// method symmetry)
diff --git a/Core/include/Acts/Surfaces/DiscTrapezoidalBounds.hpp b/Core/include/Acts/Surfaces/DiscTrapezoidalBounds.hpp
index 61f1220db15de4e74b10def6c2e8a191e19a24c5..54e6244d040b79e642bb9b6c318abb8b46ddba98 100644
--- a/Core/include/Acts/Surfaces/DiscTrapezoidalBounds.hpp
+++ b/Core/include/Acts/Surfaces/DiscTrapezoidalBounds.hpp
@@ -113,13 +113,13 @@ class DiscTrapezoidalBounds : public DiscBounds {
   double m_stereo;  // TODO 2017-04-09 msmk: what is this good for?
 
   /// Private helper method to convert a local postion
-  /// into its caftesian representation
+  /// into its Cartesian representation
   ///
   /// @param lposition The local position in polar coordinates
   Vector2D toLocalCartesian(const Vector2D& lposition) const;
 
   /// Jacobian
-  /// into its caftesian representation
+  /// into its Cartesian representation
   ///
   /// @param lposition The local position in polar coordinates
   ActsMatrixD<2, 2> jacobianToLocalCartesian(const Vector2D& lposition) const;
diff --git a/Core/include/Acts/Surfaces/PlaneSurface.hpp b/Core/include/Acts/Surfaces/PlaneSurface.hpp
index fc5973953185ffd6f3194514d48deba694ceafa8..e8069f8b8c7e52471e45d6d686772a027dce6801 100644
--- a/Core/include/Acts/Surfaces/PlaneSurface.hpp
+++ b/Core/include/Acts/Surfaces/PlaneSurface.hpp
@@ -124,7 +124,7 @@ class PlaneSurface : public Surface {
   /// transformation
   ///
   /// @param gctx The current geometry context object, e.g. alignment
-  /// @param lposition local 2D posittion in specialized surface frame
+  /// @param lposition local 2D position in specialized surface frame
   /// @param momentum global 3D momentum representation (optionally ignored)
   /// @param position global 3D position to be filled (given by reference for
   /// method symmetry)
diff --git a/Core/include/Acts/Surfaces/Surface.hpp b/Core/include/Acts/Surfaces/Surface.hpp
index 80b7a393f4cba33554874ee8d24a5dca4fef420b..9d67852edf38c71d8f6dee9c481f35901c51d91c 100644
--- a/Core/include/Acts/Surfaces/Surface.hpp
+++ b/Core/include/Acts/Surfaces/Surface.hpp
@@ -198,7 +198,7 @@ class Surface : public virtual GeometryObject,
   /// It requires a local position to be given (in general)
   ///
   /// @param gctx The current geometry context object, e.g. alignment
-  /// @param lposition is the local position where the normal verctor is
+  /// @param lposition is the local position where the normal vector is
   /// constructed
   ///
   /// @return normal vector by value
@@ -294,7 +294,7 @@ class Surface : public virtual GeometryObject,
   /// ambiguity this is also provided
   ///
   /// @param gctx The current geometry context object, e.g. alignment
-  /// @param lposition local 2D posittion in specialized surface frame
+  /// @param lposition local 2D position in specialized surface frame
   /// @param momentum global 3D momentum representation (optionally ignored)
   /// @param position global 3D position to be filled (given by reference for
   /// method symmetry)