"fix name"

paddle/operators/name_convention.md

@@ -4,7 +4,7 @@ To make the operator document itself more clear. we recommend operator names obs
 
 ### Input/Output names
 
-* Variable name is prefer uppercase. e.g. `X`, `Y`. But when the variable is tensor, its name should lowercase. e.g. `matrix`, to discriminate with otherone.
+* Variable name is prefer uppercase. e.g. `X`, `Y`. But when the variable is tensor, its name should lowercase. e.g. `matrix`, to discriminate with other one.
 
 * element wise operator, math operator or similar op, please obey common name convention. if the operator only have one output, use `Out`.