HeightFieldShape.h: correct 2 comments describing formal arguments (#1249)

Jolt/Physics/Collision/Shape/HeightFieldShape.h

@@ -209,7 +209,7 @@ public:
 	/// @param inX Start X position, must be a multiple of mBlockSize and in the range [0, mSampleCount - 1]
 	/// @param inY Start Y position, must be a multiple of mBlockSize and in the range [0, mSampleCount - 1]
 	/// @param inSizeX Number of samples in X direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inX]
-	/// @param inSizeY Number of samples in Y direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inX]
+	/// @param inSizeY Number of samples in Y direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inY]
 	/// @param outHeights Returned height values, must be at least inSizeX * inSizeY floats. Values are returned in x-major order and can be cNoCollisionValue.
 	/// @param inHeightsStride Stride in floats between two consecutive rows of outHeights (can be negative if the data is upside down).
 	void							GetHeights(uint inX, uint inY, uint inSizeX, uint inSizeY, float *outHeights, intptr_t inHeightsStride) const;
@@ -220,7 +220,7 @@ public:
 	/// @param inX Start X position, must be a multiple of mBlockSize and in the range [0, mSampleCount - 1]
 	/// @param inY Start Y position, must be a multiple of mBlockSize and in the range [0, mSampleCount - 1]
 	/// @param inSizeX Number of samples in X direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inX]
-	/// @param inSizeY Number of samples in Y direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inX]
+	/// @param inSizeY Number of samples in Y direction, must be a multiple of mBlockSize and in the range [0, mSampleCount - inY]
 	/// @param inHeights The new height values to set, must be an array of inSizeX * inSizeY floats, can be cNoCollisionValue. Values outside of the range [GetMinHeightValue(), GetMaxHeightValue()] will be clamped.
 	/// @param inHeightsStride Stride in floats between two consecutive rows of inHeights (can be negative if the data is upside down).
 	/// @param inAllocator Allocator to use for temporary memory