diff --git a/website/source/docs/drivers/docker.html.md b/website/source/docs/drivers/docker.html.md
index 4575831ec..2b9b4d43b 100644
--- a/website/source/docs/drivers/docker.html.md
+++ b/website/source/docs/drivers/docker.html.md
@@ -334,7 +334,20 @@ The `docker` driver will set the following client attributes:
 
 * `driver.docker` - This will be set to "1", indicating the driver is
   available.
-* `driver.docker.version` - This will be set to version of the docker server
+* `driver.docker.version` - This will be set to version of the docker server.
+
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Require docker version higher than 1.2.
+  constraint {
+    attribute = "${driver.docker.version}"
+    operator  = ">"
+    version   = "1.2"
+  }
+}
+```
 
 ## Resource Isolation
 
diff --git a/website/source/docs/drivers/exec.html.md b/website/source/docs/drivers/exec.html.md
index 17d7d9a44..8de50ae38 100644
--- a/website/source/docs/drivers/exec.html.md
+++ b/website/source/docs/drivers/exec.html.md
@@ -85,8 +85,20 @@ also applies for running Nomad in -dev mode.
 
 The `exec` driver will set the following client attributes:
 
-* `driver.exec` - This will be set to "1", indicating the
-  driver is available.
+* `driver.exec` - This will be set to "1", indicating the driver is available.
+
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Only run this job where exec is enabled. (Note: this constraint is applied
+  # automatically if you specify a task that uses the exec driver).
+  constraint {
+    attribute = "${driver.exec}"
+    value     = "1"
+  }
+}
+```
 
 ## Resource Isolation
 
diff --git a/website/source/docs/drivers/java.html.md b/website/source/docs/drivers/java.html.md
index 9d4f395a7..35e25e72a 100644
--- a/website/source/docs/drivers/java.html.md
+++ b/website/source/docs/drivers/java.html.md
@@ -12,7 +12,7 @@ Name: `java`
 
 The `Java` driver is used to execute Java applications packaged into a Java Jar
 file. The driver requires the Jar file to be accessible from the Nomad
-client via the [`artifact` downloader](/docs/jobspec/index.html#artifact_doc). 
+client via the [`artifact` downloader](/docs/jobspec/index.html#artifact_doc).
 
 ## Task Configuration
 
@@ -61,7 +61,7 @@ task "web" {
 
 ## Client Requirements
 
-The `java` driver requires Java to be installed and in your system's `$PATH`. On 
+The `java` driver requires Java to be installed and in your system's `$PATH`. On
 Linux, Nomad must run as root since it will use `chroot` and `cgroups` which
 require root privileges. The task must also specify at least one artifact to
 download, as this is the only way to retrieve the Jar being run.
@@ -76,6 +76,19 @@ this by executing `java -version` on the host and parsing the output
 * `driver.java.runtime` - Runtime version, ex: `Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)`
 * `driver.java.vm` - Virtual Machine information, ex: `Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)`
 
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Only run this job where the JVM is higher than version 1.6.0.
+  constraint {
+    attribute = "${driver.java.version}"
+    operator  = ">"
+    value     = "1.6.0"
+  }
+}
+```
+
 ## Resource Isolation
 
 The resource isolation provided varies by the operating system of
@@ -87,4 +100,3 @@ running as root, many of these mechanisms cannot be used.
 
 As a baseline, the Java jars will be run inside a Java Virtual Machine,
 providing a minimum amount of isolation.
-
diff --git a/website/source/docs/drivers/qemu.html.md b/website/source/docs/drivers/qemu.html.md
index 182af6828..6eedcb5b3 100644
--- a/website/source/docs/drivers/qemu.html.md
+++ b/website/source/docs/drivers/qemu.html.md
@@ -20,7 +20,7 @@ The `Qemu` driver can execute any regular `qemu` image (e.g. `qcow`, `img`,
 `iso`), and is currently invoked with `qemu-system-x86_64`.
 
 The driver requires the image to be accessible from the Nomad client via the
-[`artifact` downloader](/docs/jobspec/index.html#artifact_doc). 
+[`artifact` downloader](/docs/jobspec/index.html#artifact_doc).
 
 ## Task Configuration
 
@@ -82,6 +82,19 @@ The `Qemu` driver will set the following client attributes:
 this by executing `qemu-system-x86_64 -version` on the host and parsing the output
 * `driver.qemu.version` - Version of `qemu-system-x86_64`, ex: `2.4.0`
 
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Only run this job where the qemu version is higher than 1.2.3.
+  constraint {
+    attribute = "${driver.qemu.version}"
+    operator  = ">"
+    value     = "1.2.3"
+  }
+}
+```
+
 ## Resource Isolation
 
 Nomad uses Qemu to provide full software virtualization for virtual machine
diff --git a/website/source/docs/drivers/raw_exec.html.md b/website/source/docs/drivers/raw_exec.html.md
index bf8441822..48d4d7d22 100644
--- a/website/source/docs/drivers/raw_exec.html.md
+++ b/website/source/docs/drivers/raw_exec.html.md
@@ -86,8 +86,20 @@ explicitly enable the `raw_exec` driver in the client's
 
 The `raw_exec` driver will set the following client attributes:
 
-* `driver.raw_exec` - This will be set to "1", indicating the
-  driver is available.
+* `driver.raw_exec` - This will be set to "1", indicating the driver is available.
+
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Only run this job where raw-exec is enabled. (Note: this constraint is
+  # applied automatically if you specify a task that uses the raw-exec driver).
+  constraint {
+    attribute = "${driver.raw_exec}"
+    value     = "1"
+  }
+}
+```
 
 ## Resource Isolation
 
diff --git a/website/source/docs/drivers/rkt.html.md b/website/source/docs/drivers/rkt.html.md
index aacb0033c..549b34f2a 100644
--- a/website/source/docs/drivers/rkt.html.md
+++ b/website/source/docs/drivers/rkt.html.md
@@ -47,7 +47,7 @@ The `rkt` driver supports the following configuration in the job spec:
 ## Task Directories
 
 The `rkt` driver currently does not support mounting of the `alloc/` and `local/` directories.
-Once support is added, version `v0.10.0` or above of `rkt` will be required. 
+Once support is added, version `v0.10.0` or above of `rkt` will be required.
 
 ## Client Requirements
 
@@ -66,6 +66,19 @@ this by executing `rkt version` on the host and parsing the output
 version is `0.14.0`
 * `driver.rkt.appc.version` - Version of `appc` that `rkt` is using eg: `0.8.1`
 
+Here is an example of using these properties in a job file:
+
+```hcl
+job "docs" {
+  # Only run this job where the rkt version is higher than 0.8.
+  constraint {
+    attribute = "${driver.rkt.version}"
+    operator  = ">"
+    value     = "0.8"
+  }
+}
+```
+
 ## Resource Isolation
 
 This driver supports CPU and memory isolation by delegating to `rkt`. Network isolation