docs: fixed some typos in the shell's help content

FossilOrigin-Name: 8c723d2f97a363ab62c8280570ef621252094d9ed5b6c1bf8d6cab409624a735

help/help.cfg

@@ -6,7 +6,7 @@ content="If entered without a ?subcommand?, show the list of available subcomman
 [Aliases]
 topic="alias list"
 usage="alias list ?all?"
-content="Show the list of all available aliases in the current directory. If the parameter ?all? added, show all declared aliases."
+content="Show the list of all available aliases in the current directory. If the parameter ?all? is added, show all declared aliases."
 
 [Aliases]
 topic="alias delete"
@@ -16,7 +16,7 @@ content="Delete the alias with the selected [index]."
 [Aliases]
 topic="alias show"
 usage="alias show [index]"
-content="Show details (description, commands, etc) for the alias with the selected [index]."
+content="Show details (description, commands, etc.) for the alias with the selected [index]."
 
 [Aliases]
 topic="alias add"
@@ -26,7 +26,7 @@ content="Start adding a new alias to the shell. You will be able to set its name
 [Aliases]
 topic="alias edit"
 usage="alias edit [index]"
-content="Start editing the alias with the selected [index]. You will be able to set again its all parameters."
+content="Start editing the alias with the selected [index]. You will be able to set again all parameters of the alias."
 
 [Commands]
 topic="cd"
@@ -41,12 +41,12 @@ content="Exit from the shell."
 [Commands]
 topic="merge commands"
 usage="command [&& or ||] command ..."
-content="Commands can be merged to execute each after another. If merged with [&&] then the next command(s) will be executed only when the previous was successfull. If merged with [||] then the next commands will be executed only when the previous failed."
+content="Commands can be merged to execute each after another. If merged with [&&] then the next command(s) will be executed only when the previous was successful. If merged with [||] then the next commands will be executed only when the previous failed."
 
 [Help]
 topic="help"
 usage="help ?topic?"
-content="If entered only as `help`, show the list of available help topics, when also the ?topic? entered, show the information about the selected topic. The ?topic? parameter can contains wildcard symbols `*`. In that situation, the result will be the list of the help's topics which match the criteria. For example, command `help a*` will show all help topics which name starts with 'a' letter."
+content="If entered only as `help`, show the list of available help topics, when also the ?topic? entered, show the information about the selected topic. The ?topic? parameter can contain wildcard symbols `*`. In that situation, the result will be the list of the help's topics which match the criteria. For example, command `help a*` will show all help topics which name starts with 'a' letter."
 
 [Help]
 topic="updatehelp"
@@ -72,7 +72,7 @@ template=True
 [History]
 topic="history find"
 usage="history find [term]"
-content="Search for the selected [term] in the shell's commands' history. You can use here the wildcard `*` for match any character. By default the wildcard `*` is added before and after the term. For example, the command `history find hi` will find the command `history` but also `help history`".
+content="Search for the selected [term] in the shell's commands' history. You can use here the wildcard `*` for match any character. By default, the wildcard `*` is added before and after the term. For example, the command `history find hi` will find the command `history` but also `help history`".
 
 [Options]
 topic="options"
@@ -117,7 +117,7 @@ content="Uninstall the plugin with the selected [index]."
 [Plugins]
 topic="plugin show"
 usage="plugin show [index]"
-content="Show details (path, status, etc) for the plugin with the selected [index]."
+content="Show details (path, status, etc.) for the plugin with the selected [index]."
 
 [Plugins]
 topic="plugin add"
@@ -172,9 +172,9 @@ content="Start adding a new variable to the shell. You will be able to set its n
 [Variables]
 topic="variable edit"
 usage="variable edit [index]"
-content="Start editing the variable with the selected [index]. You will be able to set again its all parameters."
+content="Start editing the variable with the selected [index]. You will be able to set again all parameters of the variable."
 
 [Variables]
 topic="variable show"
 usage="variable show [index]"
-content="Show details (description, path, etc) for the variable with the selected [index]."
+content="Show details (description, path, etc.) for the variable with the selected [index]."