Merge pull request #602 from dswarbrick/fix-postgres-spelling

Fix misspelling of PostgreSQL

Author: SuperQ

.github/ISSUE_TEMPLATE/bug_report.md

@@ -37,7 +37,7 @@ assignees: ''
 insert list of flags used here
 ```
 
-* PostgresSQL version:
+* PostgreSQL version:
 
 	insert PostgreSQL version here
 

cmd/postgres_exporter/postgres_exporter.go

@@ -576,14 +576,14 @@ func (e *Exporter) setupInternalMetrics() {
 		Namespace:   namespace,
 		Subsystem:   exporter,
 		Name:        "last_scrape_duration_seconds",
-		Help:        "Duration of the last scrape of metrics from PostgresSQL.",
+		Help:        "Duration of the last scrape of metrics from PostgreSQL.",
 		ConstLabels: e.constantLabels,
 	})
 	e.totalScrapes = prometheus.NewCounter(prometheus.CounterOpts{
 		Namespace:   namespace,
 		Subsystem:   exporter,
 		Name:        "scrapes_total",
-		Help:        "Total number of times PostgresSQL was scraped for metrics.",
+		Help:        "Total number of times PostgreSQL was scraped for metrics.",
 		ConstLabels: e.constantLabels,
 	})
 	e.error = prometheus.NewGauge(prometheus.GaugeOpts{