Spelling fixes for 06 and 07

Author: crbates

06-transmutation.ipynb

@@ -13,7 +13,7 @@
      "source": [
       "# Transmutation\n",
       "\n",
-      "As of v0.3, PyNE has a nascent support for native transmutation.  The only implementation right now is a recurssive chain solver, though we envision a suite of tools. To enable this future vision each solver will have a `Transmute` class which has a `transmute()` method.  Though this may seem like extra work from the users perspective, it enables rapid speedups by pre-loading cross section data and/or pre-computing decay chains.  \n",
+      "As of v0.3, PyNE has a nascent support for native transmutation.  The only implementation right now is a recursive chain solver, though we envision a suite of tools. To enable this future vision each solver will have a `Transmute` class which has a `transmute()` method.  Though this may seem like extra work from the users perspective, it enables rapid speedups by pre-loading cross section data and/or pre-computing decay chains.  \n",
       "\n",
       "The `transmute()` method accepts a material, as well as other parameters.  "
      ]

07-mesh-basics.ipynb

@@ -83,7 +83,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "We access volume elements (`ve`) on the mesh through a volume element index (`ve_idx`).  This index is a unique integer `i` that gives a sort ordering to an otherwise unorder mesh.  The volume element index is defined on the range from 0 (inclusive) to the number of volumes in the mesh (exclusive).  You may access a volume element's material through the `mats` attribute and indexing with `i`."
+      "We access volume elements (`ve`) on the mesh through a volume element index (`ve_idx`).  This index is a unique integer `i` that gives a sort ordering to an otherwise unordered mesh.  The volume element index is defined on the range from 0 (inclusive) to the number of volumes in the mesh (exclusive).  You may access a volume element's material through the `mats` attribute and indexing with `i`."
      ]
     },
     {