Fix a couple of typos

compctl.c

@@ -139,7 +139,7 @@ void
 kill_task(pid_t pid)
 {
 	if (unlimited) {
-		fputs("Killing computations not possible when computations are not limited..\n", stderr);
+		fputs("Killing computations not possible when computations are not limited.\n", stderr);
 		exit(EXIT_FAILURE);
 	}
 
@@ -238,7 +238,7 @@ main(int argc, char *argv[])
 		fputs("CGroup-based computation control is not available on this host.\n", stderr);
 		fputs("Most likely, this computer is not meant for computations,\n", stderr);
 		fputs("please consider switching to a different host.\n", stderr);
-		fputs("Plese contact " ADMINCONTACT " if you believe this is an error.\n", stderr);
+		fputs("Please contact " ADMINCONTACT " if you believe this is an error.\n", stderr);
 		return EXIT_FAILURE;
 	}