diff --git a/semantic-conventions/src/opentelemetry/semconv/main.py b/semantic-conventions/src/opentelemetry/semconv/main.py
index d3b84ee1..6d792e0e 100644
--- a/semantic-conventions/src/opentelemetry/semconv/main.py
+++ b/semantic-conventions/src/opentelemetry/semconv/main.py
@@ -108,10 +108,11 @@ def check_compatibility(semconv, args, parser):
     compatibility_checker = CompatibilityChecker(semconv, prev_semconv)
     problems = compatibility_checker.check()
 
-    if problems:
+    if any(problems):
         print(f"Found {len(problems)} compatibility issues:")
-        for problem in problems:
-            print(f"\t {problem}")
+        problems_str = [str(p) for p in problems]
+        for problem in sorted(problems_str):
+            print(f"\t{problem}")
 
         if not args.ignore_warnings or (
             args.ignore_warnings and any(problem.critical for problem in problems)
diff --git a/semantic-conventions/src/opentelemetry/semconv/templating/compatibility.py b/semantic-conventions/src/opentelemetry/semconv/templating/compatibility.py
index f5ea0bb3..d1d4ee45 100644
--- a/semantic-conventions/src/opentelemetry/semconv/templating/compatibility.py
+++ b/semantic-conventions/src/opentelemetry/semconv/templating/compatibility.py
@@ -24,7 +24,7 @@ def __init__(self, signal: str, name: str, message: str, critical: bool = True):
         self.critical = critical
 
     def __str__(self):
-        return f"\t {self.signal} '{self.name}': {self.message}"
+        return f"{self.signal} '{self.name}' {self.message}"
 
     def __eq__(self, other):
         if isinstance(other, self.__class__):