diff --git a/plugins/inputs/exec/README.md b/plugins/inputs/exec/README.md
index 14acf0957..0e2563900 100644
--- a/plugins/inputs/exec/README.md
+++ b/plugins/inputs/exec/README.md
@@ -11,39 +11,22 @@ all scripts matching glob pattern ```/tmp/collect_*.sh``` are configured for ```
 in JSON format. Glob patterns are matched on every run, so adding new scripts that match the pattern
 will cause them to be picked up immediately.
 
-```
+```toml
 # Read flattened metrics from one or more commands that output JSON to stdout
 [[inputs.exec]]
   # Shell/commands array
   # Full command line to executable with parameters, or a glob pattern to run all matching files.
   commands = ["/tmp/test.sh", "/tmp/test2.sh", "/tmp/collect_*.sh"]
 
+  ## Timeout for each command to complete.
+  timeout = "5s"
+
   # Data format to consume.
   # NOTE json only reads numerical measurements, strings and booleans are ignored.
   data_format = "json"
 
   # measurement name suffix (for separating different commands)
   name_suffix = "_mycollector"
-
-  ## Below configuration will be used for data_format = "graphite", can be ignored for other data_format
-  ## If matching multiple measurement files, this string will be used to join the matched values.
-  #separator = "."
-
-  ## Each template line requires a template pattern.  It can have an optional
-  ## filter before the template and separated by spaces.  It can also have optional extra
-  ## tags following the template.  Multiple tags should be separated by commas and no spaces
-  ## similar to the line protocol format.  The can be only one default template.
-  ## Templates support below format:
-  ## 1. filter + template
-  ## 2. filter + template + extra tag
-  ## 3. filter + template with field key
-  ## 4. default template
-  #templates = [
-  #  "*.app env.service.resource.measurement",
-  #  "stats.* .host.measurement* region=us-west,agent=sensu",
-  #  "stats2.* .host.measurement.field",
-  #  "measurement*"
-  #]
 ```
 
 Other options for modifying the measurement names are:
@@ -82,7 +65,7 @@ in influx line-protocol format.
 
 #### Configuration
 
-```
+```toml
 [[inputs.exec]]
   # Shell/commands array
   # compatible with old version
@@ -90,6 +73,9 @@ in influx line-protocol format.
   # command = "/usr/bin/line_protocol_collector"
   commands = ["/usr/bin/line_protocol_collector","/tmp/test2.sh"]
 
+  ## Timeout for each command to complete.
+  timeout = "5s"
+
   # Data format to consume.
   # NOTE json only reads numerical measurements, strings and booleans are ignored.
   data_format = "influx"
@@ -123,12 +109,16 @@ We can also change the data_format to "graphite" to use the metrics collecting s
 In this example a script called /tmp/test.sh and a script called /tmp/test2.sh are configured for [[inputs.exec]] in graphite format.
 
 #### Configuration
-```
+
+```toml
 # Read flattened metrics from one or more commands that output JSON to stdout
 [[inputs.exec]]
   # Shell/commands array
   commands = ["/tmp/test.sh","/tmp/test2.sh"]
 
+  ## Timeout for each command to complete.
+  timeout = "5s"
+
   # Data format to consume.
   # NOTE json only reads numerical measurements, strings and booleans are ignored.
   data_format = "graphite"