Merge pull request #26 from pbackus/patch-1

Better wording for envvar description

Author: wilzbach

views/inc.package_format.envvars.dt

@@ -11,7 +11,7 @@ table
 		td Path to the root package of the build dependency tree
 	tr
 		td: code $<name>_PACKAGE_DIR
-		td Path a specific package that is part of the package's dependency graph. $<name> must be in uppercase letters without the semver string. 
+		td Path to a specific package that is part of the package's dependency graph. $<name> must be in uppercase letters without the semver string. 
 	tr
 		td: code $DUB
 		td Path to the DUB executable
@@ -34,7 +34,7 @@ table
 		td: code $BUILD_TYPE
 		td Type of build: <code>"debug", "release", ...</code>
 
-p Inside of custom commands directives a number of additional variables is available:
+p Inside of custom command directives a different set of predefined variables is available:
 
 table
 	tr