diff --git a/lib/ArtifactPathValidator.js b/lib/ArtifactPathValidator.js
index a1b2ddd..664396a 100644
--- a/lib/ArtifactPathValidator.js
+++ b/lib/ArtifactPathValidator.js
@@ -34,14 +34,14 @@ class ArtifactPathValidator {
     }
     verifyPathsNotEmpty() {
         if (this.paths.length == 0) {
-            const message = `Artifact pattern :${this.pattern} did not match any files`;
+            const message = `Artifact pattern:${this.pattern} did not match any files`;
             this.reportError(message);
         }
     }
     verifyNotDirectory(path) {
         const isDir = fs_1.statSync(path).isDirectory();
         if (isDir) {
-            const message = `Artifact is a directory :${path}. Directories can not be uploaded to a release.`;
+            const message = `Artifact is a directory:${path}. Directories can not be uploaded to a release.`;
             this.reportError(message);
         }
         return !isDir;