diff --git a/docs/lib3x-parse_number.md b/docs/lib3x-parse_number.md
index 4ee66065..4b0059c8 100644
--- a/docs/lib3x-parse_number.md
+++ b/docs/lib3x-parse_number.md
@@ -1,7 +1,5 @@
 # parse_number
 
-The dir changed since 2.0. 
-
 Parses the string argument as an number. 
 
 ## Parameters
diff --git a/docs/lib3x-split_str.md b/docs/lib3x-split_str.md
index 6768a15e..d778b19b 100644
--- a/docs/lib3x-split_str.md
+++ b/docs/lib3x-split_str.md
@@ -1,7 +1,5 @@
 # split_str
 
-The dir changed since 2.0. 
-
 Splits the given string around matches of the given delimiting character. 
 
 ## Parameters
diff --git a/docs/lib3x-sub_str.md b/docs/lib3x-sub_str.md
index 8caac44e..65a74c60 100644
--- a/docs/lib3x-sub_str.md
+++ b/docs/lib3x-sub_str.md
@@ -1,7 +1,5 @@
 # sub_str
 
-The dir changed since 2.0. 
-
 Returns the part of the string from `begin` to `end`, or to the `end` of the string (`end` not included).
 
 ## Parameters