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-rw-r--r--compiler/main/HscTypes.lhs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/main/HscTypes.lhs b/compiler/main/HscTypes.lhs
index c10475a995..54b070031a 100644
--- a/compiler/main/HscTypes.lhs
+++ b/compiler/main/HscTypes.lhs
@@ -995,8 +995,8 @@ data ModGuts
mg_rdr_env :: !GlobalRdrEnv, -- ^ Top-level lexical environment
-- These fields all describe the things **declared in this module**
- mg_fix_env :: !FixityEnv, -- ^ Fixities declared in this module
- -- ToDo: I'm unconvinced this is actually used anywhere
+ mg_fix_env :: !FixityEnv, -- ^ Fixities declared in this module.
+ -- Used for creating interface files.
mg_tcs :: ![TyCon], -- ^ TyCons declared in this module
-- (includes TyCons for classes)
mg_insts :: ![ClsInst], -- ^ Class instances declared in this module