Clarify non-flag arguments for --compile_one_dependency.
@@ -1165,8 +1165,9 @@ memory-saving mode</a>.
syntax checking source files in IDEs, for example, by rebuilding a single
target that depends on the source file to detect errors as early as
possible in the edit/build/test cycle. This argument affects the way all
- non-flag arguments are interpreted: for each source filename, one
- rule that depends on it will be built. For
+ non-flag arguments are interpreted: each argument must be a
+ file target label or a plain filename relative to the current working
+ directory, and one rule that depends on each source filename is built. For
C++ and Java
sources, rules in the same language space are preferentially chosen. For
