minor docs fix

Author: nkrusch

docs/demo.md

@@ -1,5 +1,5 @@
-This demo allows running pymwp analysis on [example programs](examples.md) on the web.
-See the [tool user guide](https://statycc.github.io/.github/pymwp) for details on interpreting the tool outputs.
+This demo allows running pymwp analysis on [example programs](examples.md) on the web.    
+Refer to the [tool user guide](https://statycc.github.io/.github/pymwp) for detailed explanations of how to interpret the results.
 
 {%
    include-markdown "assets/demo.html"

docs/modules.md

@@ -9,7 +9,7 @@ Fig. 1: pymwp workflow
 
 Under the hood, pymwp is built from various modules.
 Each module has a specific role.
-For example, `Analysis` runs program analysis (i.e., the intermediate steps between input/output in Fig. 1); 
+For example, `Analysis` runs program analysis (i.e., the intermediate steps between parser and output in Fig. 1); 
 the `matrix` module contains matrix utilities, the `parser` is the front-end, etc.
 
 This documentation section explains the internal behaviors of these building blocks.