docs:Better explanations.

Author: antononcube

README-work.md

@@ -169,7 +169,7 @@ MathJSON expressions can be converted to LaTeX with `to-latex`:
 _ ==> to-latex()
 ```
 
-**Remark** The "free functions" `evaluate`, `N`, `simplify`, `assign`, `expand`, `expandAll`, `factor`, and `solve`
+**Remark:** The "free functions" `evaluate`, `N`, `simplify`, `assign`, `expand`, `expandAll`, `factor`, and `solve`
 try to recognize (or parse) a string input as LaTeX code, and if parsing is successful, 
 then (more or less) the processing pipeline in applied: `$expr ==> parse-latex() ==> &func() ==> to-latex()`.
 

README.md

@@ -185,7 +185,7 @@ _ ==> to-latex()
 $a^2+b^2-2ab$
 
 
-**Remark** The "free functions" `evaluate`, `N`, `simplify`, `assign`, `expand`, `expandAll`, `factor`, and `solve`
+**Remark:** The "free functions" `evaluate`, `N`, `simplify`, `assign`, `expand`, `expandAll`, `factor`, and `solve`
 try to recognize (or parse) a string input as LaTeX code, and if parsing is successful, 
 then (more or less) the processing pipeline in applied: `$expr ==> parse-latex() ==> &func() ==> to-latex()`.