Update rules/Proj0045.md

Co-authored-by: Laura Kramer <[email protected]>

Author: Corniel

rules/Proj0045.md

@@ -11,7 +11,7 @@ are case-sensitve. This rule will report when the casing of such convention
 based files is off.
 
 ## Compliant
-Files for which the casing is checked.
+Files for which the casing is checked:
 * .editorconfig
 * .globalconfig
 * .net.csproj