diff --git a/cmd/edit_common.go b/cmd/edit_common.go
index 4bb1f4d7..901d2461 100644
--- a/cmd/edit_common.go
+++ b/cmd/edit_common.go
@@ -27,7 +27,7 @@ func getUpdateUsers(currentUsers []string, users []string, remove []string) ([]i
 		userIDs = make([]int, len(users))
 		for i, a := range users {
 			if getUserID(a) == nil {
-				return nil, false, fmt.Errorf("Error: %s is not a valid username\n", a)
+				return nil, false, fmt.Errorf("%s is not a valid username", a)
 			}
 			userIDs[i] = *getUserID(a)
 		}
diff --git a/cmd/issue_list.go b/cmd/issue_list.go
index a5296104..40b842b3 100644
--- a/cmd/issue_list.go
+++ b/cmd/issue_list.go
@@ -84,14 +84,14 @@ func issueList(args []string) ([]*gitlab.Issue, error) {
 	if issueAuthor != "" {
 		issueAuthorID = getUserID(issueAuthor)
 		if issueAuthorID == nil {
-			log.Fatal(fmt.Errorf("%s user not found\n", issueAuthor))
+			log.Fatalf("%s user not found\n", issueAuthor)
 		}
 	}
 
 	if issueAssignee != "" {
 		issueAssigneeID = getUserID(issueAssignee)
 		if issueAssigneeID == nil {
-			log.Fatal(fmt.Errorf("%s user not found\n", issueAssignee))
+			log.Fatalf("%s user not found\n", issueAssignee)
 		}
 	}
 
diff --git a/cmd/mr_create.go b/cmd/mr_create.go
index ff4cb20b..22ec5d72 100644
--- a/cmd/mr_create.go
+++ b/cmd/mr_create.go
@@ -73,7 +73,7 @@ func init() {
 
 func verifyRemoteAndBranch(projectID int, remote string, branch string) error {
 	if _, err := lab.GetCommit(projectID, branch); err != nil {
-		return fmt.Errorf("Aborting MR create, %s:%s is not a valid reference", remote, branch)
+		return fmt.Errorf("%s:%s is not a valid reference", remote, branch)
 	}
 	return nil
 }
@@ -124,7 +124,7 @@ func runMRCreate(cmd *cobra.Command, args []string) {
 		sourceRemote = sourceParts[0]
 		sourceBranch = sourceParts[1]
 		if sourceRemote == "" || sourceBranch == "" {
-			log.Fatal(fmt.Errorf("Error: Source remote must have format remote:remote_branch.\n"))
+			log.Fatalf("source remote must have format remote:remote_branch.\n")
 		}
 
 		_, err := git.IsRemote(sourceRemote)
@@ -154,7 +154,7 @@ func runMRCreate(cmd *cobra.Command, args []string) {
 		targetRemote = args[0]
 		ok, err := git.IsRemote(targetRemote)
 		if err != nil || !ok {
-			log.Fatal(fmt.Errorf("%s is not a valid remote\n", targetRemote))
+			log.Fatalf("%s is not a valid remote\n", targetRemote)
 		}
 	}
 	targetProjectName, err := git.PathWithNameSpace(targetRemote)
@@ -232,7 +232,7 @@ func runMRCreate(cmd *cobra.Command, args []string) {
 	}
 
 	if title == "" {
-		log.Fatal("aborting MR due to empty MR msg")
+		log.Fatal("empty MR message")
 	}
 
 	linebreak, _ := cmd.Flags().GetBool("force-linebreak")
@@ -293,7 +293,7 @@ func mrText(sourceRemote, sourceBranch, targetRemote, targetBranch string, cover
 		}
 	}
 	if numCommits == 0 {
-		return "", fmt.Errorf("Aborting: The resulting Merge Request from %s to %s has 0 commits", target, source)
+		return "", fmt.Errorf("the resulting MR from %s to %s has 0 commits", target, source)
 	}
 
 	tmpl := heredoc.Doc(`
diff --git a/cmd/mr_list.go b/cmd/mr_list.go
index 67961a81..37b86e22 100644
--- a/cmd/mr_list.go
+++ b/cmd/mr_list.go
@@ -85,7 +85,7 @@ func mrList(args []string) ([]*gitlab.MergeRequest, error) {
 	if mrAssignee != "" {
 		mrAssigneeID = getUserID(mrAssignee)
 		if mrAssigneeID == nil {
-			log.Fatal(fmt.Errorf("%s user not found\n", mrAssignee))
+			log.Fatalf("%s user not found\n", mrAssignee)
 		}
 	} else if mrMine {
 		assigneeID, err := lab.UserID()
@@ -98,7 +98,7 @@ func mrList(args []string) ([]*gitlab.MergeRequest, error) {
 	if mrAuthor != "" {
 		mrAuthorID = getUserID(mrAuthor)
 		if mrAuthorID == nil {
-			log.Fatal(fmt.Errorf("%s user not found\n", mrAuthor))
+			log.Fatalf("%s user not found\n", mrAuthor)
 		}
 	}
 
@@ -113,7 +113,7 @@ func mrList(args []string) ([]*gitlab.MergeRequest, error) {
 	if mrReviewer != "" {
 		mrReviewerID = getUserID(mrReviewer)
 		if mrReviewerID == nil {
-			log.Fatal(fmt.Errorf("%s user not found\n", mrReviewer))
+			log.Fatalf("%s user not found\n", mrReviewer)
 		}
 	}