diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@
 
 The output says that, for instance, the first benchmark
 was repeatedly executed for 2.13 seconds (wall time),
-its mean time was 63 nanoseconds and,
+its mean CPU time was 63 nanoseconds and,
 assuming ideal precision of a system clock,
 execution time does not often diverge from the mean
 further than ±3.4 nanoseconds
@@ -132,7 +132,7 @@
 One might interpret the second line as saying that
 95% of measurements fell into 61.99–63.41 ns interval, but this is wrong.
 It states that the [OLS regression](https://en.wikipedia.org/wiki/Ordinary_least_squares)
-of execution time (which is not exactly the mean time) is most probably
+(which is not exactly the mean) of wall execution time is most probably
 somewhere between 61.99 ns and 63.41 ns,
 but does not say a thing about individual measurements.
 To understand how far away a typical measurement deviates
@@ -151,6 +151,10 @@
 for [68%](https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule)
 of samples only, double it to estimate the behavior in 95% of cases.
 
+When benchmarking multithreaded algorithms, note
+that `tasty-bench` reports total elapsed CPU time across all cores, while
+`criterion` and `gauge` print wall-clock time.
+
 ## Statistical model
 
 Here is a procedure used by `tasty-bench` to measure execution time:
@@ -191,7 +195,8 @@
 
 ## Memory usage
 
-Passing `+RTS -T` (via `cabal bench --benchmark-options '+RTS -T'`
+Configuring RTS to collect GC statistics
+(e. g., via `cabal bench --benchmark-options '+RTS -T'`
 or `stack bench --ba '+RTS -T'`) enables `tasty-bench` to estimate and report
 memory usage such as allocated and copied bytes:
 
diff --git a/Test/Tasty/Bench.hs b/Test/Tasty/Bench.hs
--- a/Test/Tasty/Bench.hs
+++ b/Test/Tasty/Bench.hs
@@ -110,7 +110,7 @@
 > All 3 tests passed (7.25s)
 
 The output says that, for instance, the first benchmark was repeatedly
-executed for 2.13 seconds (wall time), its mean time was 63 nanoseconds
+executed for 2.13 seconds (wall time), its mean CPU time was 63 nanoseconds
 and, assuming ideal precision of a system clock, execution time does not
 often diverge from the mean further than ±3.4 nanoseconds (double
 standard deviation, which for normal distributions corresponds to
@@ -128,8 +128,8 @@
 
 One might interpret the second line as saying that 95% of measurements
 fell into 61.99–63.41 ns interval, but this is wrong. It states that the
-<https://en.wikipedia.org/wiki/Ordinary_least_squares OLS regression> of
-execution time (which is not exactly the mean time) is most probably
+<https://en.wikipedia.org/wiki/Ordinary_least_squares OLS regression>
+(which is not exactly the mean time) of wall execution time is most probably
 somewhere between 61.99 ns and 63.41 ns, but does not say a thing about
 individual measurements. To understand how far away a typical
 measurement deviates you need to add\/subtract double standard deviation
@@ -146,6 +146,10 @@
 <https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule 68%> of
 samples only, double it to estimate the behavior in 95% of cases.
 
+When benchmarking multithreaded algorithms, note
+that @tasty-bench@ reports total elapsed CPU time across all cores, while
+@criterion@ and @gauge@ print wall-clock time.
+
 === Statistical model
 
 Here is a procedure used by @tasty-bench@ to measure execution time:
@@ -184,7 +188,8 @@
 
 === Memory usage
 
-Passing @+RTS@ @-T@ (via @cabal@ @bench@ @--benchmark-options@ @\'+RTS@ @-T\'@ or
+Configuring RTS to collect GC statistics
+(e. g., via @cabal@ @bench@ @--benchmark-options@ @\'+RTS@ @-T\'@ or
 @stack@ @bench@ @--ba@ @\'+RTS@ @-T\'@) enables @tasty-bench@ to estimate and
 report memory usage such as allocated and copied bytes:
 
@@ -1403,7 +1408,7 @@
 testNamesAndDeps :: IntMap (Seq TestName) -> OptionSet -> TestTree -> [(TestName, [IM.Key])]
 testNamesAndDeps im = foldTestTree trivialFold
   { foldSingle = const $ const . (: []) . (, [])
-  , foldGroup  = const $ map . first . flip (++) . (++ ".")
+  , foldGroup  = const $ map . first . (++) . (++ ".")
   , foldAfter  = const foldDeps
   }
   where
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 0.2.5
+
+* Fix comparison against baseline.
+
 # 0.2.4
 
 * Add a simplistic SVG reporter.
diff --git a/tasty-bench.cabal b/tasty-bench.cabal
--- a/tasty-bench.cabal
+++ b/tasty-bench.cabal
@@ -1,5 +1,5 @@
 name:          tasty-bench
-version:       0.2.4
+version:       0.2.5
 cabal-version: 1.18
 build-type:    Simple
 license:       MIT
