diff --git a/src/digest/digest.cr b/src/digest/digest.cr
index 62ca3878c8c8..765f940ca47b 100644
--- a/src/digest/digest.cr
+++ b/src/digest/digest.cr
@@ -37,7 +37,7 @@ abstract class Digest
     #   ctx.update "f"
     #   ctx.update "oo"
     # end
-    # digest.hexfinal # => "acbd18db4cc2f85cedef654fccc4a4d8"
+    # digest.hexstring # => "acbd18db4cc2f85cedef654fccc4a4d8"
     # ```
     def digest(& : self ->) : Bytes
       context = new
diff --git a/src/kernel.cr b/src/kernel.cr
index 6e90457578a1..c8c511cecb8e 100644
--- a/src/kernel.cr
+++ b/src/kernel.cr
@@ -298,7 +298,7 @@ end
 # sprintf "%b", -123   # => "-1111011"
 # sprintf "%#b", 0     # => "0"
 # sprintf "% b", 123   # => " 1111011"
-# sprintf "%+ b", 123  # => "+ 1111011"
+# sprintf "%+ b", 123  # => "+1111011"
 # sprintf "% b", -123  # => "-1111011"
 # sprintf "%+ b", -123 # => "-1111011"
 # sprintf "%#b", 123   # => "0b1111011"