minor change on a log message

mpi/template_matching.py

@@ -282,9 +282,9 @@ class TemplateMatching(object):
             if self.failed_templates:
                 ftemplate = self.failed_templates[0]
                 start, shift, mag = self.template_mngr.get_template(ftemplate)
-                self.logger.error("Couldn't load template for time '%s'. To continue either delete/comment"
-                                  "the event from catalog to exclude it or fix the waveform archive so that"
-                                  "the template can be loaded." % (start))
+                self.logger.error("Error: couldn't load template for time '%s'. To continue either "
+                                  "delete/comment the event from catalog to exclude it or fix the "
+                                  "waveform archive so that the template can be loaded." % (start))
                 break
 
         # We have finished, save last time