diff --git a/README.md b/README.md
index 4d3fe71..314c3cb 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
+[![Language](https://img.shields.io/badge/language-objective--c-lightgrey)]()
+[![Build](https://github.com/sveinbjornt/hear/actions/workflows/macos.yml/badge.svg)]()
+
 # hear
 
 <img src="icon.png" width="168" height="168" alt="hear" style="float: right; margin-left: 20px; margin-bottom: 20px;" align="right">
@@ -8,16 +12,16 @@
 
 Apple's macOS has long shipped with the `say` tool, a command line interface
 for the operating system's venerable speech synthesis capabilities. As of
-10.15 "Catalina", macOS also ships with highly capable speech recognition for a variety
+10.15 "Catalina", it also ships with highly capable speech recognition for a variety
 of languages. This project is an attempt to provide a robust CLI for this functionality
-since no such tool is provided by Apple. `hear` supports speech recognition of both
+since no such tool is provided by Apple. **hear** supports speech recognition of both
 microphone audio and audio files in a variety of formats.
 
 ## Download
 
 <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=BDT58J7HYKAEE"><img align="right" src="https://www.paypalobjects.com/WEBSCR-640-20110306-1/en_US/i/btn/btn_donate_LG.gif" ></a>
 
-`hear` is free, open source software. The source code is freely
+**hear** is free, open source software. The source code is freely
 [available](https://github.com/sveinbjornt/hear) under a [BSD license](#bsd-license). 
 **If you find this program useful, please [make a donation](https://sveinbjorn.org/donations).**
 
@@ -51,11 +55,6 @@ hear -m
 hear -i /path/to/someone_speaking.mp3 > transcribed_text.txt
 ```
 
-### Transcribe audio from standard input
-```
-cat /path/to/audio_file.wav | hear -i - -f wav
-```
-
 See the [man page](https://sveinbjorn.org/files/manpages/hear.1.html) for further documentation.
 
 ## Build
diff --git a/icon.png b/icon.png
index b9ddcd0..0a2607f 100644
Binary files a/icon.png and b/icon.png differ
diff --git a/src/Hear.m b/src/Hear.m
index 40f1177..590ffe9 100644
--- a/src/Hear.m
+++ b/src/Hear.m
@@ -44,6 +44,7 @@ @interface Hear()
 @property (nonatomic, retain) NSString *language;
 @property (nonatomic, retain) NSString *inputFile;
 @property (nonatomic, retain) NSString *inputFormat;
+//@property (nonatomic, retain) NSString *tempFile;
 @property (nonatomic) BOOL useMic;
 @property (nonatomic) BOOL useOnDeviceRecognition;
 @property (nonatomic) BOOL singleLineMode;
@@ -147,8 +148,9 @@ - (void)processFile {
     
     NSString *filePath = self.inputFile;
     if ([filePath isEqualToString:@"-"]) {
-        // TODO: Read from stdin and save to temp dir
-        // filePath = tmpPath
+        // TODO: Read from stdin and save to temp dir/feed to audio buffer processing?
+        NSPrintErr(@"Reading from standard input remains unimplemented");
+        exit(EXIT_FAILURE);
     } else if ([[NSFileManager defaultManager] fileExistsAtPath:filePath] == NO) {
         NSPrintErr(@"No file at path %@", filePath);
         exit(EXIT_FAILURE);