added back-quotes around an instance of recipe I missed initially

Author: dean-krueger

source/user/input_specs/recipe.rst

@@ -5,11 +5,11 @@ The most common resources being exchanged by |Cyclus| agents is a
 :term:`material` which has both a :term:`composition` and a mass.  While the
 composition of a material object may be manipulated over time by the agents
 that transact it, it is often necessary for the user to define a specific
-recipe for a material.  Each ``recipe`` section can be used to define a named
-composition that can then be referenced elsewhere, such as in the data for an
-archetype. Though at least one ``recipe`` block is required in every |Cyclus| 
-input file, it should be noted that it is possible to define a dummy ``recipe`` 
-and not use it should that be desired. 
+``recipe`` for a material.  Each ``recipe`` section can be used to define a 
+named composition that can then be referenced elsewhere, such as in the data 
+for an archetype. Though at least one ``recipe`` block is required in every 
+|Cyclus| input file, it should be noted that it is possible to define a dummy 
+``recipe`` and not use it should that be desired. 
 
 A ``recipe`` block has the following sections in the following order: