fixed readme versions.

Author: selul

readme.txt

@@ -70,29 +70,29 @@ Pay attention that to turn your shortcodes into graphs, your theme has to have `
 
 == Changelog ==
 
-= 1.7.6=
+= 1.7.6 =
 * Fixed issue when using the same shortcode multiple times on the same page.
 
-= 1.7.5=
+= 1.7.5 =
 * Removed footer banner upsell
 * Fixed series settings issue
 * Fixed issue with comas being used in numbers
 
-= 1.7.2=
+= 1.7.2 =
 * Improved charts responsive system
 
-= 1.7.1=
+= 1.7.1 =
 * Fixed grid lines error links
 
-= 1.7.0=
+= 1.7.0 =
 * Fixed responsive issues
 * Fixed issues with zero margin values
 * Fixed import issue
 
-= 1.6.6=
+= 1.6.6 =
 * Fixed charts resizing on tabbed content
 
-= 1.6.5=
+= 1.6.5 =
 * Fixed responsive issue
 * Fixed no axis text color for line and bar charts