Fix documentation entry for the decimal form validation rule (issue #1149)
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index 5aa64d0..39b389f 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -869,7 +869,7 @@
underscores or dashes.
**numeric** No Returns FALSE if the form element contains anything other than numeric characters.
**integer** No Returns FALSE if the form element contains anything other than an integer.
-**decimal** Yes Returns FALSE if the form element is not exactly the parameter value.
+**decimal** No Returns FALSE if the form element contains anything other than a decimal number.
**is_natural** No Returns FALSE if the form element contains anything other than a natural number:
0, 1, 2, 3, etc.
**is_natural_no_zero** No Returns FALSE if the form element contains anything other than a natural