README.md corrections (to satisfy linter)

plugins/inputs/hugepages/README.md

@@ -2,7 +2,7 @@
 
 The hugepages plugin gathers hugepages metrics including per NUMA node
 
-### Configuration:
+## Configuration
 
 ```toml
 # Collects hugepages metrics from kernel and per NUMA node
@@ -13,22 +13,22 @@ The hugepages plugin gathers hugepages metrics including per NUMA node
   # meminfo_path = "/proc/meminfo"
 ```
 
-### Measurements & Fields:
+## Measurements & Fields
 
 - hugepages
-    - free (int, kB)
-    - nr (int, kB)
-    - HugePages_Total (int, kB)
-    - HugePages_Free (int, kB)
+  - free (int, kB)
+  - nr (int, kB)
+  - HugePages_Total (int, kB)
+  - HugePages_Free (int, kB)
 
-### Tags:
+## Tags
 
 - hugepages has the following tags:
-    - node
+  - node
 
-### Example Output:
+## Example Output
 
-```
+```text
 $ ./telegraf -config telegraf.conf -input-filter hugepages -test
 > hugepages,host=maxpc,node=node0 free=0i,nr=0i 1467618621000000000
 > hugepages,host=maxpc,name=meminfo HugePages_Free=0i,HugePages_Total=0i 1467618621000000000