notes_on_linux_package_management: Remove dash and colon which are not really...

notes_on_linux_package_management: Remove dash and colon which are not really part of the epoch or revision

notes_on_linux_package_management.markdown

@@ -52,9 +52,9 @@ Suffixes on package versions can contain further information about a package. Al
 
 2:3.6.19-1~bpo70+1+b1
 
-  * 2: = epoch, provided to allow mistakes in the previous package numbers to be left behind. (dpkg-/apt-specific)
+  * 2 = epoch, provided to allow mistakes in the previous package numbers to be left behind. (dpkg-/apt-specific)
   * 3.6.19 = Upstream software version (often major.minor.micro version number
-  * -1 = Debian revision to allow multiple packages of the same upstream version, increments if only the packaging has changed between two package releases.
+  * 1 = Debian revision to allow multiple packages of the same upstream version, increments if only the packaging has changed between two package releases.
   * ~bpo70 = bpo = backported, 70 = to Debian 7 aka Wheezy
   * +1 = Backport revision, increments if only the backport packaging has changed between two backport package  releases.
   * +b2 = Second Rebuild without source changes