docs: sync README version numbers with crate version

README.md

@@ -472,7 +472,7 @@ For full usage, add `clap` as a dependency in your `Cargo.toml` () to use from c
 
 ```toml
 [dependencies]
-clap = "~2.19.0"
+clap = "~2.26"
 ```
 
 (**note**: If you are concerned with supporting a minimum version of Rust that is *older* than the current stable Rust minus 2 stable releases, it's recommended to use the `~major.minor.patch` style versions in your `Cargo.toml` which will only update the patch version automatically. For more information see the [Compatibility Policy](#compatibility-policy))
@@ -495,15 +495,15 @@ To disable these, add this to your `Cargo.toml`:
 
 ```toml
 [dependencies.clap]
-version = "2.19"
+version = "2.26"
 default-features = false
 ```
 
 You can also selectively enable only the features you'd like to include, by adding:
 
 ```toml
 [dependencies.clap]
-version = "2.19"
+version = "2.26"
 default-features = false
 
 # Cherry-pick the features you'd like to use
@@ -629,7 +629,7 @@ In order to keep from being surprised of breaking changes, it is **highly** reco
 
 ```toml
 [dependencies]
-clap = "~2.19.0"
+clap = "~2.26"
 ```
 
 This will cause *only* the patch version to be updated upon a `cargo update` call, and therefore cannot break due to new features, or bumped minimum versions of Rust.