Update pipeline/inputs/mem-metrics.md

Co-authored-by: Lynette  Miles <6818907+esmerel@users.noreply.github.com>
Signed-off-by: Phillip Whelan <pwhelan@exis.cl>

Author: pwhelan

pipeline/inputs/mem-metrics.md

@@ -15,7 +15,7 @@ The _mem_metrics_, or memory metrics plugin, generates metrics for memory statis
 
 The `filter_pid` can include or be set to either `0` or `self` to refer to the fluent-bit process itself.
 
-## Getting Started
+## Get started
 
 You can run the plugin from the command line or through a configuration file. By default metrics will be generated for all processes the current user can analyze.