diff --git a/commands/discover.go b/commands/discover.go
index 22964371..6b68e526 100644
--- a/commands/discover.go
+++ b/commands/discover.go
@@ -39,7 +39,7 @@ type DiscoverCmd struct {
 func (*DiscoverCmd) Name() string { return "discover" }
 
 // Synopsis return synopsis
-func (*DiscoverCmd) Synopsis() string { return "Host discovery in the CIDR." }
+func (*DiscoverCmd) Synopsis() string { return "Host discovery in the CIDR" }
 
 // Usage return usage
 func (*DiscoverCmd) Usage() string {
@@ -77,7 +77,7 @@ func (p *DiscoverCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface
 		}
 
 		if len(hosts) < 1 {
-			logrus.Errorf("Active hosts not found in %s.", cidr)
+			logrus.Errorf("Active hosts not found in %s", cidr)
 			return subcommands.ExitSuccess
 		} else if err := printConfigToml(hosts); err != nil {
 			logrus.Errorf("Failed to parse template. err: %s", err)
diff --git a/commands/prepare.go b/commands/prepare.go
index 50d83f32..79ef2643 100644
--- a/commands/prepare.go
+++ b/commands/prepare.go
@@ -121,7 +121,7 @@ func (p *PrepareCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{
 	logger.Info("Installing...")
 	if errs := scan.Prepare(); 0 < len(errs) {
 		for _, e := range errs {
-			logger.Errorf("Failed: %s.", e)
+			logger.Errorf("Failed: %s", e)
 		}
 		return subcommands.ExitFailure
 	}
diff --git a/commands/scan.go b/commands/scan.go
index bf6a4fb2..1764aa11 100644
--- a/commands/scan.go
+++ b/commands/scan.go
@@ -57,7 +57,7 @@ type ScanCmd struct {
 func (*ScanCmd) Name() string { return "scan" }
 
 // Synopsis return synopsis
-func (*ScanCmd) Synopsis() string { return "Scan vulnerabilities." }
+func (*ScanCmd) Synopsis() string { return "Scan vulnerabilities" }
 
 // Usage return usage
 func (*ScanCmd) Usage() string {
@@ -202,7 +202,7 @@ func (p *ScanCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{})
 	Log.Info("Scanning vulnerabilities... ")
 	if errs := scan.Scan(); 0 < len(errs) {
 		for _, e := range errs {
-			Log.Errorf("Failed to scan. err: %s.", e)
+			Log.Errorf("Failed to scan. err: %s", e)
 		}
 		return subcommands.ExitFailure
 	}
diff --git a/commands/tui.go b/commands/tui.go
index de3a6212..927c29f6 100644
--- a/commands/tui.go
+++ b/commands/tui.go
@@ -39,7 +39,7 @@ type TuiCmd struct {
 func (*TuiCmd) Name() string { return "tui" }
 
 // Synopsis return synopsis
-func (*TuiCmd) Synopsis() string { return "Run Tui view to anayze vulnerabilites." }
+func (*TuiCmd) Synopsis() string { return "Run Tui view to anayze vulnerabilites" }
 
 // Usage return usage
 func (*TuiCmd) Usage() string {
diff --git a/config/tomlloader.go b/config/tomlloader.go
index a43b4b44..3339ade6 100644
--- a/config/tomlloader.go
+++ b/config/tomlloader.go
@@ -34,7 +34,7 @@ type TOMLLoader struct {
 func (c TOMLLoader) Load(pathToToml string) (err error) {
 	var conf Config
 	if _, err := toml.DecodeFile(pathToToml, &conf); err != nil {
-		log.Error("Load config failed.", err)
+		log.Error("Load config failed", err)
 		return err
 	}
 
@@ -91,7 +91,7 @@ func (c TOMLLoader) Load(pathToToml string) (err error) {
 
 		servers[name] = s
 	}
-	log.Debug("Config loaded.")
+	log.Debug("Config loaded")
 	log.Debugf("%s", pp.Sprintf("%v", servers))
 	Conf.Servers = servers
 	return
diff --git a/db/db.go b/db/db.go
index 7ba2c556..3bc1d2a1 100644
--- a/db/db.go
+++ b/db/db.go
@@ -226,7 +226,7 @@ func SelectLatestScanHistory() (m.ScanHistory, error) {
 	db.Order("scanned_at desc").First(&scanHistory)
 
 	if scanHistory.ID == 0 {
-		return m.ScanHistory{}, fmt.Errorf("No scanHistory records.")
+		return m.ScanHistory{}, fmt.Errorf("No scanHistory records")
 	}
 
 	results := []m.ScanResult{}
diff --git a/scan/debian.go b/scan/debian.go
index 27a0ace5..ff644408 100644
--- a/scan/debian.go
+++ b/scan/debian.go
@@ -346,7 +346,7 @@ func (o *debian) fillCandidateVersion(packs []models.PackageInfo) ([]models.Pack
 		case err := <-errChan:
 			return nil, err
 		case <-timeout:
-			return nil, fmt.Errorf("Timeout fillCandidateVersion.")
+			return nil, fmt.Errorf("Timeout fillCandidateVersion")
 		}
 	}
 	return result, nil
@@ -500,7 +500,7 @@ func (o *debian) scanPackageCveInfos(unsecurePacks []models.PackageInfo) (cvePac
 				return nil, err
 			}
 		case <-timeout:
-			return nil, fmt.Errorf("Timeout scanPackageCveIds.")
+			return nil, fmt.Errorf("Timeout scanPackageCveIds")
 		}
 	}
 
diff --git a/scan/debian_test.go b/scan/debian_test.go
index c01d33ca..98d8f8b0 100644
--- a/scan/debian_test.go
+++ b/scan/debian_test.go
@@ -199,7 +199,7 @@ util-linux (2.26.2-6) unstable; urgency=medium`,
 	for _, tt := range tests {
 		_, err := d.getCveIDParsingChangelog(tt.in[2], tt.in[0], "version number do'nt match case")
 		if err != nil {
-			t.Errorf("Returning error is unexpected.")
+			t.Errorf("Returning error is unexpected")
 		}
 	}
 }
@@ -504,7 +504,7 @@ Calculating upgrade... Done
 	for _, tt := range tests {
 		actual, err := d.parseAptGetUpgrade(tt.in)
 		if err != nil {
-			t.Errorf("Returning error is unexpected.")
+			t.Errorf("Returning error is unexpected")
 		}
 		if len(tt.expected) != len(actual) {
 			t.Errorf("Result length is not as same as expected. expected: %d, actual: %d", len(tt.expected), len(actual))
diff --git a/scan/redhat.go b/scan/redhat.go
index 60b146a8..0d80fcf5 100644
--- a/scan/redhat.go
+++ b/scan/redhat.go
@@ -160,7 +160,7 @@ func (o *redhat) installYumChangelog() error {
 
 		cmd := "rpm -q " + packName
 		if r := o.ssh(cmd, noSudo); r.isSuccess() {
-			o.log.Infof("Ignored: %s already installed.", packName)
+			o.log.Infof("Ignored: %s already installed", packName)
 			return nil
 		}
 
@@ -170,7 +170,7 @@ func (o *redhat) installYumChangelog() error {
 				"Failed to install %s. status: %d, stdout: %s, stderr: %s",
 				packName, r.ExitStatus, r.Stdout, r.Stderr)
 		}
-		o.log.Infof("Installed: %s.", packName)
+		o.log.Infof("Installed: %s", packName)
 	}
 	return nil
 }
diff --git a/scan/serverapi.go b/scan/serverapi.go
index 5d19e39b..dda7bc0b 100644
--- a/scan/serverapi.go
+++ b/scan/serverapi.go
@@ -130,7 +130,7 @@ func detectServersOS() (osi []osTypeInterface, err error) {
 		case res := <-osTypeChan:
 			osi = append(osi, res)
 		case <-timeout:
-			Log.Error("Timeout occured while detecting OS.")
+			Log.Error("Timeout occured while detecting OS")
 			err = fmt.Errorf("Timeout!")
 			return
 		}
@@ -151,7 +151,7 @@ func Prepare() []error {
 // Scan scan
 func Scan() []error {
 	if len(servers) == 0 {
-		return []error{fmt.Errorf("Not initialized yet.")}
+		return []error{fmt.Errorf("Not initialized yet")}
 	}
 
 	Log.Info("Check required packages for scanning...")
@@ -201,7 +201,7 @@ func GetScanResults() (results models.ScanResults, err error) {
 	for _, s := range servers {
 		r, err := s.convertToModel()
 		if err != nil {
-			return results, fmt.Errorf("Failed converting to model: %s.", err)
+			return results, fmt.Errorf("Failed converting to model: %s", err)
 		}
 		results = append(results, r)
 	}
diff --git a/scan/sshutil.go b/scan/sshutil.go
index 3e8e6820..e0da16d0 100644
--- a/scan/sshutil.go
+++ b/scan/sshutil.go
@@ -94,11 +94,11 @@ func parallelSSHExec(fn func(osTypeInterface) error, timeoutSec ...int) (errs []
 			if err != nil {
 				errs = append(errs, err)
 			} else {
-				logrus.Debug("Parallel SSH Success.")
+				logrus.Debug("Parallel SSH Success")
 			}
 		case <-time.After(time.Duration(timeout) * time.Second):
-			logrus.Errorf("Parallel SSH Timeout.")
-			errs = append(errs, fmt.Errorf("Timed out!"))
+			logrus.Errorf("Parallel SSH Timeout")
+			errs = append(errs, fmt.Errorf("Timed out"))
 		}
 	}
 	return