markdown formatting

Author: riggsd

doc/guano_specification.md

@@ -192,7 +192,7 @@ this list so that it isn't accidentally used by another manufacturer.
 **BAT**  
   Binary Acoustic Technologies
 
-**BATREC**
+**BATREC**  
   Bat Recorder by Bill Kraus
 
 **MSFT**  
@@ -204,9 +204,6 @@ this list so that it isn't accidentally used by another manufacturer.
 **SB**  
   SonoBat
 
-**WAC**  
-  Wildlife Acoustics
-
 
 Example
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