Fix doc references that differ only in case (function vs interface) (#2292)

Fixes #2279
diff --git a/gradle.properties b/gradle.properties
index 18b9516..a4057df 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,7 +10,7 @@
 # Dependencies
 junit_version=4.12
 atomicfu_version=0.14.4
-knit_version=0.2.0
+knit_version=0.2.2
 html_version=0.6.8
 lincheck_version=2.7.1
 dokka_version=0.9.16-rdev-2-mpp-hacks