diff --git a/variables.tf b/variables.tf
index 18741a5..bc7894c 100644
--- a/variables.tf
+++ b/variables.tf
@@ -35,7 +35,7 @@ variable "role_description" {
 }
 
 variable "project_paths" {
-  description = "List of GitLab namesapce/project names authorized to assume the role."
+  description = "List of GitLab namespace/project names authorized to assume the role."
   type        = list(string)
   default     = []
 
@@ -44,9 +44,9 @@ variable "project_paths" {
     # namespace/project format used by GitLab.
     condition = length([
       for path in var.project_paths : 1
-      if length(regexall("project_path:[A-Za-z0-9_.-]+?/([A-Za-z0-9_.:/-]+|\\*)$", path)) > 0
+      if length(regexall("project_path:[A-Za-z0-9_.-]+?/([A-Za-z0-9_.:?*/-]+|\\*)$", path)) > 0
     ]) == length(var.project_paths)
-    error_message = "Projects must be specified in the "project_path:namespace/project" format."
+    error_message = "Projects must be specified in the \"project_path:namespace/project\" format."
   }
 }