diff --git a/bytebeat_compiler.py b/bytebeat_compiler.py
index f554a37..c925b8f 100644
--- a/bytebeat_compiler.py
+++ b/bytebeat_compiler.py
@@ -176,7 +176,7 @@ if __name__ == "__main__":
 	bytebeat_contents = read_from_file_or_stdin(args.file).strip()
 
 	if not bytebeat_contents:
-		raise SystemExit("No valid contents")
+		raise SystemExit("Empty file or STDIN")
 
 	# - Compilation
 	makedirs(PATHS["bin_dir"], exist_ok=True)
@@ -260,7 +260,7 @@ if __name__ == "__main__":
 	}, read_file(PATHS["template"]), args.show_substituted_values))
 
 	if is_cmd_unavailable(CC):
-		print(f"Compiler {CC} not available, searching:")
+		print(f"Compiler {CC} is not available, searching:")
 
 		still_unavailable = True
 		for compiler in CC_SEARCH_LIST:
@@ -275,7 +275,7 @@ if __name__ == "__main__":
 
 		if still_unavailable:
 			raise SystemExit("Could not find an available compiler. Please "
-			                 "specify it by setting\nenvironmental variable "
+			                 "specify it by setting\nan environmental variable "
 			                 "CC.")
 
 	# Compile