cosmetic: various typo/spelling fixes

Change-Id: Idc4db138d83be0c7c0b0ff6dfbb9f094b21d6fa9
diff --git a/src/client/main_fsm.c b/src/client/main_fsm.c
index f8b1406..0aa7429 100644
--- a/src/client/main_fsm.c
+++ b/src/client/main_fsm.c
@@ -70,7 +70,7 @@
 
 	env[i++] = talloc_asprintf(env, "REMSIM_CAUSE=%s", cause);
 
-	/* ask frontend to append any frontend-speccific additional environment vars */
+	/* ask frontend to append any frontend-specific additional environment vars */
 	rc = frontend_append_script_env(bc, env, i, 256-i-1);
 	if (rc > 0)
 		i = rc;