--- a/doc/Compiling	Sun Jul 22 19:10:47 2018 +0000
+++ b/doc/Compiling	Tue Jul 24 02:37:02 2018 +0000
@@ -59,11 +59,15 @@
 a particular configuration, run a command like this from the top level of the
 fc-magnetite tree:
 
-./configure.sh gtamodem l1reconst
+./configure.sh fcdev3b hybrid
 
-The first argument to the configure.sh script selects the target, and the second
-argument selects the configuration.  As of this writing, the following targets
-are supported:
+The first required argument to the configure.sh script selects the target, the
+second required argument selects the build configuration recipe, and any further
+arguments beyond these two (optional) allow changing various configurable
+settings that aren't strictly fixed by the hardware target or by the build
+configuration recipe.
+
+As of this writing, the following hardware targets are supported:
 
 c11x		Motorola C11x/12x
 c139		Motorola C139/140
@@ -75,11 +79,20 @@
 For the available configurations (the second required argument to the configure
 script), look in the configs directory and read the various write-ups under doc.
 
-Each configuration is built in its own directory; by default the build directory
-is named build-$TARGET-$CONFIG, i.e., for the example configure.sh line above,
-the resulting build directory will be build-gtamodem-l1reconst.  You can change
-the name of this directory by appending a BUILD_DIR=dir argument to the
-./configure.sh line after the two required arguments.
+Each configuration is built in its own directory; the name of this build
+directory takes the form of build-$TARGET-$CONFIG$SUFFIX, i.e., for the example
+configure.sh line above, the resulting build directory will be named
+build-fcdev3b-hybrid.  The $SUFFIX part is empty by default, but can be set on
+the command line in order to distinguish non-standard builds that had some
+tunable settings changed to values other than the default.  For example, if you
+are building the hybrid configuration for the fcdev3b target as above, but you
+need to disable MELODY_E2, you could run the configure script as follows:
+
+./configure.sh fcdev3b hybrid MELODY_E2=0 SUFFIX=-noe2
+
+The build directory would then become build-fcdev3b-hybrid-noe2, and the
+specified suffix will also be included in the firmware version ID string that
+gets compiled into the image.
 
 To actually compile the firmware, cd into the created build directory and run
 make there.  Unfortunately the use of TI's proprietary compiler via Wine makes