-HTCondor can help manage GPUs (graphics processing units) in your pool of execute nodes, making them available to jobs that can use them using an API like {link:http://www.khronos.org/opencl/ OpenCL} or {link:http://www.nvidia.com/object/cuda_home_new.html CUDA}.
+HTCondor can help manage GPUs (graphics processing units) in your pool of execute nodes, allocating them as resources to jobs, which can use them using an API such as {link:http://www.khronos.org/opencl/ OpenCL} or {link:http://www.nvidia.com/object/cuda_home_new.html CUDA}.
 
-The techniques described on this page depend on HTCondor version 8.1.4 or later, if you are using an earlier version of HTCondor you should upgrade. If you cannot upgrade for some reason, an older, less flexible technique is
-described at HowToManageGpusInSeriesSeven
+The techniques described here depend on HTCondor version 8.1.4 or later. Those using an earlier version of HTCondor must upgrade. Those that cannot upgrade for some reason may try an older, less flexible technique as
+described at HowToManageGpusInSeriesSeven.
 
-HTCondor matches execute nodes (described by {quote: ClassAds}) to jobs (also described by {quote: ClassAds}). The general technique to manage GPUs is:
+The general technique to manage GPUs is:
 
-1: Advertise the GPU: Configure HTCondor so that execute nodes include information about available GPUs in their ClassAd.
-2: Require a GPU: Jobs modify their Requirements to require a suitable GPU
-3: Identify the GPU: Jobs modify their arguments or environment to learn which GPU it may use.
+1: Advertise the GPU: configure HTCondor so that execute nodes include information about available GPUs in their machine ClassAd.
+2: Job requests a GPU: jobs identify their request for a GPU and specify any further Requirements to acquire a suitable GPU
+3: Identify the GPU: Jobs modify their arguments or environment to learn which GPU they may use.
 
-{section: Advertising the GPU}
+{section: Advertise the GPU}
 
 HTCondor contains a tool designed to assist in detecting GPUs and configuring HTCondor to advertise GPU information. This tool is
 
@@ -68,7 +68,7 @@
 If you are using a Partitionable slot, the by default the Partitionable slot will be assigned both GPUs.  Dynamic slots created from this partitionable slot will be assigned GPUs when the job requests them.
 
 
-{section: Require a GPU}
+{section: Job requests a GPU}
 
 User jobs that require a GPU must specify this requirement.  In a job's submit file, it might do something as simple as