Fix spelling errors - Bogatov's patch.

docs/man/cdist-reference.text.sh

@@ -183,7 +183,7 @@ files::
     (for instance to store template results).
 changed::
     This empty file exists in an object directory, if the object has
-    code to be excuted (either remote or local)
+    code to be executed (either remote or local)
 stdin::
     This file exists and contains data, if data was provided on stdin 
     when the type was called.

docs/man/man7/cdist-best-practice.text

@@ -88,7 +88,7 @@ MAINTAINING MULTIPLE CONFIGURATIONS
 -----------------------------------
 When you need to manage multiple sites with cdist, like company_a, company_b
 and private for instance, you can easily use git for this purpose.
-Including a possible common base that is reused accross the different sites:
+Including a possible common base that is reused across the different sites:
 
 --------------------------------------------------------------------------------
 # create branches

docs/man/man7/cdist-manifest.text

@@ -181,11 +181,11 @@ OVERRIDES
 ---------
 In some special cases, you would like to create an already defined object 
 with different parameters. In normal situations this leads to an error in cdist.
-If you whish, you can setup the environment variable CDIST_OVERRIDE
+If you wish, you can setup the environment variable CDIST_OVERRIDE
 (any value or even empty is ok) to tell cdist, that this object override is 
 wanted and should be accepted.
 ATTENTION: Only use this feature if you are 100% sure in which order 
-cdist encounters the affected objects, otherwhise this results 
+cdist encounters the affected objects, otherwise this results
 in an undefined situation. 
 
 If CDIST_OVERRIDE and CDIST_ORDER_DEPENDENCY are set for an object,