diff --git a/io_mesh_pdb/import_pdb.py b/io_mesh_pdb/import_pdb.py
index 5146663d2c37185b9fcd9d1c935120379fbe8d29..5fb5890af911d91565de743abec0f13bdf247381 100644
--- a/io_mesh_pdb/import_pdb.py
+++ b/io_mesh_pdb/import_pdb.py
@@ -636,7 +636,7 @@ def draw_atoms_one_type(draw_all_atoms_type,
     atom_vertices = []
     for atom in draw_all_atoms_type:
         # In fact, the object is created in the World's origin.
-        # This is why 'object_center_vec' is substracted. At the end
+        # This is why 'object_center_vec' is subtracted. At the end
         # the whole object is translated back to 'object_center_vec'.
         atom_vertices.append(atom[2] - object_center_vec)
 
diff --git a/io_scene_x3d/import_x3d.py b/io_scene_x3d/import_x3d.py
index b91341556e0d050b110445a269ca738b73f00f8a..15ac760a4178e493af12c0c80c407c9964b1799e 100644
--- a/io_scene_x3d/import_x3d.py
+++ b/io_scene_x3d/import_x3d.py
@@ -50,7 +50,7 @@ def imageConvertCompat(path):
 # order dosnt matter for loc/size/rot
 # right handed rotation
 # angles are in radians
-# rotation first defines axis then ammount in radians
+# rotation first defines axis then amount in radians
 
 
 # =============================== VRML Spesific
diff --git a/space_view3d_copy_attributes.py b/space_view3d_copy_attributes.py
index 5fde0546e0ed873cb895636dab02f7cfff776814..57e1a69e7027964426c121108ec31c4bf82033af 100644
--- a/space_view3d_copy_attributes.py
+++ b/space_view3d_copy_attributes.py
@@ -488,7 +488,7 @@ object_copies = (
                 #('obj_dmp', "Damping",
                 #"Copy Damping from Active to Selected"),
                 #('obj_all', "All Physical Attributes",
-                #"Copy Physical Atributes from Active to Selected"),
+                #"Copy Physical Attributes from Active to Selected"),
                 #('obj_prp', "Properties",
                 #"Copy Properties from Active to Selected"),
                 #('obj_log', "Logic Bricks",
diff --git a/space_view3d_spacebar_menu.py b/space_view3d_spacebar_menu.py
index 526f67c3374decfd1a83df7d8302c6a20f8b7ae1..04b14f083554f78148d3abe7fc952168fe7af53c 100644
--- a/space_view3d_spacebar_menu.py
+++ b/space_view3d_spacebar_menu.py
@@ -1219,7 +1219,7 @@ class VIEW3D_MT_KeyframeMenu(bpy.types.Menu):
     def draw(self, context):
         layout = self.layout
 
-        # Keyframe Bleck
+        # Keyframe Block
         layout.operator("anim.keyframe_insert_menu",
                         text="Insert Keyframe...")
         layout.operator("anim.keyframe_delete_v3d",