Updated documentation, bumped deployment version to macOS 13, updated project settings

Author: sveinbjornt

Makefile

@@ -1,4 +1,4 @@
-# Makefile for Sloth app
+# Makefile for hear command line tool
 
 XCODE_PROJ := "hear.xcodeproj"
 PROGRAM_NAME := "hear"

README.md

@@ -104,15 +104,14 @@ bash test/test.sh
 
 ## Troubleshooting
 
-If running the binary leads to an abort signal, try running the binary by
-right-clicking it and selecting Open. This should automatically open the
-binary with the your terminal client and prompt you to grant the required
+If running the binary leads to an abort signal, try running it by
+right-clicking it in the Finder and selecting Open. This should automatically
+open the binary with your terminal client and prompt you to grant the required
 permissions.
 
 ## BSD License
 
-Copyright (c) 2022-2025 Sveinbjorn Thordarson
-<[sveinbjorn@sveinbjorn.org](mailto:sveinbjorn@sveinbjorn.org)>  
+Copyright (c) 2022-2026 [Sveinbjorn Thordarson](mailto:sveinbjorn@sveinbjorn.org)
 
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:

hear.xcodeproj/project.pbxproj

@@ -138,7 +138,7 @@
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
-				LastUpgradeCheck = 1630;
+				LastUpgradeCheck = 2620;
 				TargetAttributes = {
 					F43A461A27C010B2000469BC = {
 						CreatedOnToolsVersion = 13.2.1;
@@ -233,7 +233,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -291,7 +291,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;