diff --git a/decompile/src/XDK/Xapi/xapi0.c b/decompile/src/XDK/Xapi/xapi0.c
index d726005..ae97f97 100644
--- a/decompile/src/XDK/Xapi/xapi0.c
+++ b/decompile/src/XDK/Xapi/xapi0.c
@@ -71,7 +71,7 @@ the middle part of the function match is through writing the instructions
 directly.  Given that the C parts of this function are so simple that a human
 and a compiler would reasonably produce the exact same code, and this function
 exhibits other oddities mentioned in the body, it's likely this whole function
-was originally written purely in assemblys.  In the spirit of decompilation,
+was originally written purely in assembly.  In the spirit of decompilation,
 however, we'll lift what we can into C.
 */
 	XapiInitProcess();
@@ -107,7 +107,7 @@ however, we'll lift what we can into C.
 		written function.  If it was a function, it must have been
 		inlined, but it couldn't be because it must be called from
 		assembly to use the value in ecx that never went on the stack
-		(as passing data from C to assembly has to do).  Notably, this
+		(as passing data from assembly to C has to do).  Notably, this
 		function's calling convention does require edi to be preserved,
 		but if left up to the compiler, it will push and pop edi in the
 		prologue and epilogue, not here (which this function must be
@@ -135,6 +135,7 @@ however, we'll lift what we can into C.
 	_cinit();
 	main(0, NULL, NULL);
 
+	// main() is not supposed to return, so error out if it does
 	XapiBootToDash(XLD_LAUNCH_DASHBOARD_ERROR, XLD_ERROR_INVALID_XBE, 0);
 
 	// Return 0 to satisfy signature required for thread functions
@@ -152,7 +153,7 @@ The linker automatically sets this function to the entrypoint.
 */
 	HANDLE thread;
 
-	// Figure out available thread-local storage
+	// Figure out available thread-local storage (used by CreateThread())
 	XapiTlsSize = 4 + ((
 		(_tls_used.EndAddressOfRawData - _tls_used.StartAddressOfRawData) +
 		_tls_used.SizeOfZeroFill