diff --git a/colin/cli/colin.py b/colin/cli/colin.py
index d97dad10..af853f8e 100644
--- a/colin/cli/colin.py
+++ b/colin/cli/colin.py
@@ -58,7 +58,7 @@ def cli():
               help="Verbose mode.")
 def check(target, ruleset, ruleset_file, debug, json, stat, verbose):
     """
-    Check the image/container (default).
+    Check the image/container/dockerfile (default).
     """
     if ruleset and ruleset_file:
         raise click.BadOptionUsage("Options '--ruleset' and '--file-ruleset' cannot be used together.")
diff --git a/colin/core/colin.py b/colin/core/colin.py
index 27e50af6..5a6123ba 100644
--- a/colin/core/colin.py
+++ b/colin/core/colin.py
@@ -28,8 +28,9 @@ def run(target, group=None, severity=None, tags=None, ruleset_name=None, ruleset
     """
     Runs the sanity checks for the target.
 
-    :param target: str or Image/Container (name of the container/image or Image/Container instance from conu
-                        or path to dockerfile)
+    :param target: str
+                    or Image/Container (name of the container/image or Image/Container instance from conu)
+                    or path or file-like object for dockerfile
     :param group: str (name of the folder with group of checks, if None, all of them will be checked.)
     :param severity: str (if not None, only those checks will be run -- optional x required x warn ...)
     :param tags: list of str (if not None, the checks will be filtered by tags.)
diff --git a/colin/core/ruleset/ruleset.py b/colin/core/ruleset/ruleset.py
index 1ef8ee3c..8f9541a6 100644
--- a/colin/core/ruleset/ruleset.py
+++ b/colin/core/ruleset/ruleset.py
@@ -137,7 +137,7 @@ def get_checks_from_rules(rules, group, target_type, severity, tags):
             if tags:
                 for t in tags:
                     if t not in check_instance.tags:
-                        logger.debug("Check not passed the tag control: {}".format(r))
+                        logger.debug("Check not passed the tag control: {}".format(t))
                         continue
             result.append(check_instance)
             logger.debug("Check instance {} added.".format(check_instance.name))